Firestone PVC Roof Systems

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Firestone PVC Roof Systems Tested Assembly Guide

April 2021

It is the responsibility of the user of this document to verify the included assemblies in the charts below with the associated Firm’s (UL, FM, etc.). The listed assemblies in this document may not contain all components of the approved assembly. It is the responsibility of the user to validate all components listed within the tested assembly. It is the responsibility of the user of this document to verify that all assemblies used meet Firestone Building Products warranty requirements. This can be validated by contacting the Regional Building Systems Advisor.

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Table of Contents Underwriters Laboratories (UL) External Fire Ratings ............................................................................................... 4

General Notations ............................................................................................................................................................ 4

General Notations (Continued) ...................................................................................................................................... 5

Firestone PVC Systems – Fire Ratings (Class A, B or C) – Alternate Material Options ....................................... 6

General Notations – Ballasted Systems ....................................................................................................................... 7

General Notations – Adhered Systems......................................................................................................................... 7

Firestone PVC and PVC XR Systems – Fire Ratings (Class A) – Adhered Membrane Systems ....................... 8

Firestone PVC Systems – Fire Ratings (Class B) – Adhered Membrane Systems ............................................... 8

Firestone PVC Systems – Fire Ratings (Class A) – Mechanically Attached Membrane Systems ...................... 9

Firestone PVC Systems – Fire Ratings (Class C) – Mechanically Attached Membrane Systems ...................... 9

Firestone PVC KEE and PVC KEE XR Systems – Fire Ratings (Class A) – Adhered Membrane Systems ... 10

Firestone PVC KEE and PVC KEE XR Systems – Fire Ratings (Class A) – Mechanically Attached Membrane ....................................................................................................................................................................... 11

General Notations – Maintenance and Repair Systems .......................................................................................... 12

Firestone PVC Systems – Fire Ratings (Class A, B or C) – Maintenance and Repair Systems ....................... 13

Firestone PVC Systems – Fire Ratings (Class A) – Maintenance and Repair Systems ..................................... 13

Firestone PVC KEE Systems – Fire Ratings (Class A) – Maintenance and Repair Systems ........................... 14

UL Internal Fire Ratings ................................................................................................. 14 UL Roof Deck Constructions and “P” Assemblies Deck Constructions (Tested in accordance to UL 1256) .. 15

“P” Assemblies (Designs) .............................................................................................................................................. 15

Factory Mutual General Information ................................................................................ 15 Ground Roughness Definitions .................................................................................................................................... 15

FM Approvals General Notations ................................................................................................................................. 16

Large Wall Opening Enhancement ................................................................................... 17 Factory Mutual (FM) Hail Ratings ....................................................................................... 18 Roof Zone Definition – Factory Mutual (FM) .......................................................................... 19

Roof Zone Layout Based on Building Height ....................................................................................................... 19

Roof Elevation Changes ............................................................................................................................................. 20

Prescriptive Enhancement Options: Perimeter and Corner ............................................................................. 20

Adhered Membrane – Insulation Enhancements (choose one): ..................................................................... 20

Mechanically Attached Membrane – Membrane Securement Enhancements – In Seam ......................... 20

Invisiweld Attached Membrane – Membrane Securement Enhancements................................................... 21

Base Sheet Attachment Over FM Approved Deck Types: ................................................................................. 21

Base Sheet – Mechanically Attached (choose one): .......................................................................................... 21

Mechanically Attached Membrane – Preliminary Insulation Securement..................................................... 21

ASCE 7 – Basic Wind Speeds for Risk/Occupancy Category .................................................... 22 ASCE - American Society of Civil Engineers - Roof Zones ....................................................... 22

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ASCE 7-10 (IBC 2015/2012) ........................................................................................................................................ 22

ASCE 7-10 Perimeter and Corner Definition - Examples ................................................................................... 22

ASCE 7-16 (IBC 2018) .................................................................................................................................................. 23

ASCE 7-16 Perimeter and Corner Definition – Examples .................................................................................. 23

FM RoofNav Assemblies ................................................................................................. 25 Firestone PVC – Re-Cover Systems – Adhered Membrane ................................................................................... 25

Steel Deck – ISO (Adhered) ......................................................................................................................................... 25

Firestone PVC – Re-Roof Systems – Adhered Membrane ..................................................................................... 25

Steel Deck – Cover Board (Adhered) – ISO (Adhered) – Nailed Base Sheet - LWC .......................................... 25

Firestone PVC – Adhered Membrane ......................................................................................................................... 26

Concrete Deck – Gypsum Cover Board (Attached) – ISO (CF).............................................................................. 26

Concrete Deck – ISOGARD HD Cover Board (Attached) – ISO (CF) ................................................................... 27

Concrete Deck – Gypsum Cover Board (Adhered) – ISO (Adhered) – ISO (Attached) ...................................... 27

Concrete Deck – Gypsum Cover Board (Adhered) – ISO (Adhered) .................................................................... 28

Concrete Deck – ISOGARD HD/ISOGARD HD Composite (Adhered) – ISO (Adhered) ................................... 28

Firestone PVC XR – Adhered Membrane .................................................................................................................. 29

Concrete Deck – Gypsum Cover Board (Adhered) – ISO (Adhered) .................................................................... 29

Re-Cover - Concrete Deck – ISOGARD HD (Adhered) ........................................................................................... 30

Firestone Adhered PVC Membrane – Steel Deck ..................................................................................................... 31

Firestone Adhered PVC XR Membrane – Steel Deck .............................................................................................. 34

Firestone Attached PVC Membrane – Steel Deck .................................................................................................... 36

Firestone Induction Welded PVC Membrane – Steel Deck ..................................................................................... 37

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Underwriters Laboratories (UL) External Fire Ratings All regional building codes and most local building code officials require that roofing systems meet minimum performance requirements when exposed to external fire sources. The accepted method for measuring external fire resistance is ASTM E-108. This test standard, and closely related standards such as Underwriters Laboratories UL-790 and Uniform Building Code 15-2, is used to determine the ability of a roof system to hinder the horizontal spread or vertical penetration of an external fire source. In accordance with these standards, all classified roof covering assemblies fall into one of the three following categories.

CLASS A: Includes roof coverings which are effective against severe fire exposures CLASS B: Includes roof coverings which are effective against moderate fire exposures CLASS C: Includes roof coverings which are effective against light fire exposures

Noncombustible Roof Decks (NC): Steel, Concrete, Poured Gypsum – require testing for horizontal spread of flame. Combustible Roof Decks (C): Wood, Plywood, Tectum – require testing for both horizontal spread and vertical penetration of flame. The following information has been referenced from the UL Online Certification Directory document: TGFU.GuideInfo Certified gypsum wallboard, any thickness, may be included in any roofing system without adversely affecting the certification. Insulations may be attached to the deck with fasteners, hot mopping asphalt or certified adhesive. Certified insulated systems may be installed over existing certified insulated systems when:

1. the new system is certified for use with the existing roof insulation type (glass fiber, perlite, wood fiber, foamed plastic, etc.)

2. the total thickness of insulation in both systems does not exceed the maximum specified for the new system being applied.

The class of roof covering required by each regional building code depends upon many factors, including the use and location of the building and the type of construction. The local building authority should always be consulted as to what the roofing assembly classification will need to be for each roofing project. It should be noted that these classifications apply to roofing assemblies, and NOT the roofing membrane. A roofing membrane that is classified as part of a Class A assembly when installed over a particular insulation may not qualify as part of a Class A assembly with another insulation. The “UL Item Number” in the following listings has been added as a service to those who have the UL Building Materials Directory. It identifies the UL listing from which our Code Approval Guide listing derives.

General Notations PLEASE NOTE: Not all UL-rated assemblies that use Firestone roofing products are eligible for the Firestone Red

Shield, Red Shield Medallion, or Platinum Warranty. The Firestone standards, guidelines, and specifications regarding roofing system components and attachment for the warranty desired must be followed.

If a discrepancy occurs between this guide and UL Certifications, the published information located in the UL Certifications Directory at www.ul.com should be adhered to and utilized.

Noncombustible roof deck Classifications are applicable for use over combustible (15/32" minimum plywood) roof decks when minimum ½" thick gypsum board or minimum ¼" thick Georgia-Pacific Gypsum LLC DensDeck® roof board or DensDeck Prime® roof board or DensDeck DuraGuard™ roof board. When applied directly over the roof deck, all butt joints must be staggered a minimum of 6" from plywood roof deck butt joints.

United States Gypsum Co. SECUROCK Glass-Mat Roof Board (Type SGMRX) or SECUROCK Gypsum-Fiber roof board (Type FRX-G) can be used as an alternative to Georgia-Pacific Gypsum LLC DensDeck® roof board or DensDeck Prime® roof board or DensDeck DuraGuard™ roof board in all systems, limited to a maximum slope of 3:12.

References to Type G1 and Type G2 ply and base sheets include Ply IV, Ply VI (Type G1), MB Base (Type G2) in any of the following Classifications. Firestone Venting Base Sheet (Type G3) may be used in lieu of any Type G2 base in any applicable non-combustible roof deck Classification. The Channel Venting Base (mechanically attached only) may be used in all assemblies where the MB Base is listed on non-combustible roof decks.

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General Notations (Continued) ISOGARD™ HD, ISOGARD™ HD Composite, and RESISTA™ or ISOGARD CG are acceptable alternates to ISO

95+ GL in any applicable Classification. I.S.O. FIX™ II Adhesive may be used in any of the following Classifications to adhere insulation to the roof deck. I.S.O. Spray™ R or I.S.O. Stick™, I.S.O. Twin Pack™ and I.S.O. Twin Pack™ Green or Twin Jet spray adhesive may

be used in any of the following Classifications to adhere insulation to both non-combustible roof deck substrates and other insulation layers including wood fiberboard and Georgia-Pacific Gypsum LLC Dens-Deck® roof board or DensDeck Prime® roof board or DensDeck DuraGuard™ roof board.

The below stated assemblies may not be suitable for a Firestone Warranty. Prior to installation, contact a Firestone Representative for approval of assembly for warranty purposes.

HAILGARD™/ISOGARD™ HG Insulation is an acceptable alternative to all insulations in the following Classifications except where DensDeck is stated.

Water Based Bonding Adhesive P (WBBA-P) is an equivalent to Water Based Bonding Adhesive R (WBBA-R) which is no longer available.

ISO 95+ GL™ & ISOGARD GL™ is trademarked. NOTE: The UL assemblies listed below can be found on the UL Online Certification Direct report TGFU.R9516. You can click on the report number previously listed to open a hyperlink to the report. The following table lists the Firestone Building Products Trade Name that is equivalent to the GenFlex Roofing Systems Trade Name and is an acceptable alternate to any applicable Classification below.

Trade Names

Firestone Building Products Company, LLC GenFlex Roofing Systems, LLC

ISO 95+ GL or ISOGARD GL GenFlex ISO Insulation or GenFlex GL ISO Insulation

RESISTA™ or ISOGARD CG Coated Glass Facer or GenFlex CG ISO Insulation

ISOGARD HD Coverboard GenFlex HD ISO

ISOGARD HD Composite GenFlex HD CompISO

HailGard™ Composite Board or ISOGARD HG GenFlex HailGard or GenFlexISO HG

I.S.O. Stick GenFlex ISO Bond Insulation Adhesive

I.S.O. Twin Pack Insulation Adhesive GenFlex One Step Insulation Adhesive

Fire Retardant RubberGard GenFlex II FR

RubberGard Platinum GenFlex AFR EPDM 90 mil

RubberGard LS-FR GenFlex AFR

RubberGard LS-FR PT GenFlex AFR PT

RubberGard MAX' GenFlex II FRM

RubberGard MAX PT GenFlex II FRM PT

RubberGard MAX FR GenFlex II FRM-FR

RubberGard EcoWhite GenFlex FlexWhite EPDM

BA 2004 (T) Bonding Adhesive GenFlex EPDM Bonding Adhesive

Single-Ply LVOC Bonding Adhesive GenFlex EPDM Bonding Adhesive LVOC/EZ UltraPly TPO

Bonding Adhesive LVOC

Single-Ply LVOC Bonding Adhesive-1168 EPDM Bonding Adhesive LVOC 1168/EZ TPO Bonding

Adhesive LVOC-1168

Water Based Bonding Adhesive-P Water Based Bonding Adhesive (P)

RubberGard™ EPDM SA GenFlex EZ EPDM Peel & Stick

FullForce™ EPDM Seam2Seam™ EPDM SA

RubberGard SA 1065 Splice Adhesive GenSplice

RubberGard™ EPDM SA Self-Adhered EPDM

QuickSeam Splice Tape GenFlex Seam Tape

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Trade Names (Continued)

Firestone Building Products Company, LLC GenFlex Roofing Systems, LLC

EcoWhite QuickSeam Splice Tape GenFlex White Seam Tape

QuickSeam Batten Cover Strip GenFlex Cover Tape

QuickPrime Plus Primer GenPrime

Single-Ply LVOC Primer All-Purpose LVOC Primer

UltraPly TPO EZ TPO

UltraPly TPO XR 100 EZ Fleece Backed TPO (45 mil)



UltraPly TPO SA EZ TPO Peel and Stick HW

PVC XR N/A

PVC N/A

PVC Water Based Bonding Adhesive N/A

PVC LVOC Bonding Adhesive N/A

PVC Bonding Adhesive N/A

UltraPly Bonding Adhesive EZ TPO Bonding Adhesive

XR Bonding Adhesive Fleece Backed Bonding Adhesive

XR Stick Membrane Adhesive EZ TPO FB Stick Adhesive

TPO QuickSeam Flashing 'EZ Peel & Stick Flashing

UltraPly TPO QuickPrime EZ Primer

V-Force Vapor Shield Membrane

V-Force SB Primer SA-Solvent Based (SB) Primer

SA-LVOC Primer SA-LVOC Primer

Twin Jet GenFlex Quick Dual

Firestone PVC Systems – Fire Ratings (Class A, B or C) – Alternate Material Options Construction: New or Complete Tear-Off Note: (Optional) Noncombustible roof deck classifications are applicable for use over combustible roof (minimum 15/32-in. thick) decks when minimum 1/2-in.thick gypsum board or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC "Dens-Deck® Roofboard" or "Dens-Deck Prime® Roofboard"™ or "Dens-Deck DuraGuard™ Roofboard" are used directly over the plywood roof deck with all butt joints in the barrier board staggered a minimum of 6-in. from plywood roof deck butt joints.

System Number

Slope Deck Roofing System

1 See Note 1 NC

Insulation: Any UL Classified, any thickness, adhered with Twin Jet or Quick Dual. Membrane: Any UL Classified modified bitumen system, BUR system or EPDM, PVC, TPO or membrane system suitable for use with any roof insulation. Note 1: Classification (A, B or C) and maximum incline will be the same as that of the Classified Roofing System (TGFU) currently limited to noncombustible roof deck.

2 See Note 1 NC

Vapor Barrier (Optional): V-Force Roofing System: Any Insulated UL Classified modified bitumen system, BUR system, EPDM, PVC, or TPO membrane system. Insulation may be adhered with I.S.O. Twin Pack, I.S.O. Stick or I.S.O. Spray R or Twin Jet spray adhesive. Note 1: Classification (A, B or C) and maximum incline will be the same as that for the currently Classified insulated system, currently limited to a noncombustible roof deck.

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Firestone PVC Systems – Fire Ratings (Class A, B or C) – Alternate Material Options (Continued) Construction: New or Complete Tear-Off

System Number


3 See Note 1

C-15/32

Vapor Barrier (Optional): V-Force Insulation (Optional): ISO 95+ GL or ISOGARD GL any thickness. Barrier Board: Minimum 1/4-in. thick DensDeck or DensDeck Prime, joints in barrier board offset 6 in. with joints in deck. Roofing System: Any Insulated UL Classified modified bitumen system, BUR system, CSM, EPDM, PVC, or TPO membrane system. Insulation may be mechanically attached or adhered with I.S.O. Twin Pack, I.S.O. Stick or I.S.O. Spray R or Twin Jet spray adhesive. Note 1: Classification (A, B or C) and maximum incline will be the same as that for the currently Classified insulated system, currently limited to a combustible roof deck.

4 ¼ C-

15/32

Vapor Barrier (Optional): V-Force Insulation (Optional): ISO 95+ GL or ISOGARD GL any thickness. Insulation: 1.0 inch minimum thickness RESISTA or ISOGARD CG, joints in insulation board offset 6 in. with joints in deck. Roofing System: Any Insulated UL Classified modified bitumen system, BUR system, EPDM, PVC, or TPO membrane system. Insulation may be mechanically attached or adhered with I.S.O. Twin Pack, I.S.O Twin Pack Green, I.S.O. Stick or I.S.O. Spray R or Twin Jet spray adhesive. Note 1: Classification (A, B or C) and maximum incline will be the same as that for the currently Classified insulated system, currently limited to a combustible roof deck.

5 See Note 1 NC

Insulation: Any UL Classified, any thickness, adhered with I.S.O. Twin Pack, I.S.O. Stick or I.S.O. Spray R or Twin Jet spray adhesive. Membrane: Any UL Classified modified bitumen system, BUR system, EPDM, PVC or TPO membrane system suitable for use with any roof insulation. Note 1: Classification (A, B or C) and maximum incline will be the same as that of the Classified Roofing System (TGFU) currently limited to noncombustible roof deck.

6 See Note 1

C-15/32

Insulation: Any UL Classified, any thickness, adhered with I.S.O. Twin Pack, I.S.O. Stick or I.S.O. Spray R or Twin Jet spray adhesive. Barrier Board: Minimum 1/4-in. thick DensDeck or DensDeck Prime, joints in barrier board offset 6 in. with joints in deck. Membrane: Any UL Classified modified bitumen system, BUR system or EPDM, PVC, or TPO or membrane system suitable for use with any roof insulation. Note 1: Classification (A, B or C) and maximum incline will be the same as that of the Classified Roofing System (TGFU) currently limited to combustible roof deck.

General Notations – Ballasted Systems Firestone PVC membranes are not intended for use on ballasted systems. These PVC membranes are used for

mechanically attached, adhered or induction welded (plate bonded) systems.

General Notations – Adhered Systems Unless otherwise indicated, insulation and base sheets may be mechanically attached, hot mopped or attached

with cold application adhesive as Listed under Adhesives, Roof Construction Materials, in any system incorporating modified bitumen.

RubberGard™ or Firestone Ply IV or Ply VI are acceptable alternates in all systems where a Type G1 ply sheet is indicated.

The insulation may be mechanically fastened to the deck with screws and metal or plastic discs, hot roofing asphalt or combination of screws/discs and hot roofing asphalt.

As an alternate, the insulations may be used in combination to fulfill thermal barrier requirements, but the total insulation thickness may not exceed the max insulation thickness of the classified assembly.

HailGard™ Composite Board or ISOGARD HG Composite Board insulation is an acceptable alternate to all insulations in the following Classifications.

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Firestone PVC and PVC XR Systems – Fire Ratings (Class A) – Adhered Membrane Systems Construction: New or Complete Tear-Off Note: (Optional) Noncombustible roof deck classifications are applicable for use over combustible roof (minimum 15/32-in. thick) decks when minimum 1/2-in.thick gypsum board or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC Dens-Deck Roofboard or Dens-Deck Prime Roofboard are used directly over the plywood roof deck with all butt joints in the barrier board staggered a minimum of 6-in. from plywood roof deck butt joints.

System Number


9 4" C-

15/32

Insulation (Optional): — Any UL Classified, any thickness. Barrier Board: Minimum 1/4-in. thick Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime, joints in barrier board offset 6 in. with joints in deck. Membrane: — Firestone PVC 50 to 80 mils. adhered with Firestone PVC Bonding Adhesive, Firestone PVC LVOC Bonding Adhesive or Firestone PVC Water Based Bonding Adhesive.

10 2 ½" NC

Insulation (Optional): — Any UL Classified, any thickness. Insulation: — Firestone HailGard Composite Board minimum 1-1/2-in. or Wood fiberboard, minimum 1/4-in. thick DensDeck or DensDeck Prime, APA rated plywood or OSB board, 7/16- in. thick minimum. Membrane: — Firestone PVC 50 to 80 mils. adhered with Firestone PVC Bonding Adhesive, Firestone PVC LVOC Bonding Adhesive or Firestone PVC Water Based Bonding Adhesive.

11 ½" NC Insulation: — Firestone ISO 95+GL or ISOGARD GL, any thickness. Membrane: — Firestone PVC 50 to 80 mils. adhered with Firestone PVC Bonding Adhesive, or Firestone PVC Water Based Bonding Adhesive.

12 1 ¼" NC

Insulation (Optional): — Any UL Classified, any thickness. Insulation: — Minimum 1/2-in. thick ISOGARD HD or minimum 1-in. thick ISOGARD HD Composite Board or 1/2-in. thick RESISTA or ISOGARD HD Membrane: — Firestone PVC 50 to 80 mils. adhered with Firestone PVC Bonding Adhesive, Firestone PVC LVOC Bonding Adhesive or Firestone PVC Water Based Bonding Adhesive.

13 3" C-

15/32

Insulation (Optional): — Any UL Classified, any thickness. Barrier Board: minimum 1/4-in. thick DensDeck or DensDeck Prime, joints in barrier board offset 6 in. with joints in deck. Membrane: — Firestone PVC XR 60 to 80 mils. adhered with Firestone PVC water Base Bonding adhesive.

14 2" C-

15/32

Insulation (Optional): Any UL Classified, any thickness, Barrier Board: minimum 1/4-in. thick DensDeck or DensDeck Prime, joints in barrier board offset 6 in. with joints in deck. Membrane: Firestone PVC XR 60 to 80 mils. adhered with I.S.O. Spray R, XR Stick Membrane Adhesive or Twin Jet spray adhesive. Adhesive applied in ribbons/beads 12 in. o.c. or Twin Jet spray adhesive can be applied in ribbons or full coverage splatter.

15 ¼" NC

Insulation: Firestone ISO 95+GLor ISOGARD GL, any thickness. Membrane: Firestone PVC XR 60 to 80 mils. adhered with Firestone PVC Water Base Bonding adhesive, I.S.O. Spray R, XR Stick Membrane Adhesive or Twin Jet spray adhesive. Adhesive applied in ribbons/beads 12 in. o.c., or Twin Jet spray adhesive can be applied in ribbons or full coverage splatter.

Firestone PVC Systems – Fire Ratings (Class B) – Adhered Membrane Systems Construction: New or Complete Tear-Off

System Number


1 ½" NC Insulation: Firestone ISO 95+GL, any thickness. Membrane: Firestone PVC 50 to 80 mils. adhered with Firestone PVC LVOC Bonding Adhesive

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Firestone PVC Systems – Fire Ratings (Class A) – Mechanically Attached Membrane Systems Construction: New or Complete Tear-Off

System Number


1 1" C-

15/32

Barrier Board: Minimum 5/8-in. thick gypsum board, mechanically fastened with 6 in. offset of the gypsum joints from the plywood joints. Insulation: Minimum 1.2-in. thick Apache White Line or minimum 7/16-in. thick fiberglas or minimum 3/4-in. thick perlite. Membrane: Firestone PVC

2 ¼" NC Insulation: Maximum 2-in. thick Dow Chemical Hy-Tec. Membrane: Firestone PVC

3 1" NC Insulation: Polystyrene, any thickness. Barrier Board: Minimum 3/4-in thick perlite. Membrane: Firestone PVC

4 1" C-

15/32

Barrier Board: Minimum 5/8 in. thick gypsum board, mechanically fastened with butt joints in the barrier board offset a minimum of 6-in. from the with the plywood butt joints in the roof deck. Insulation: Polystyrene, any thickness. Cover Board: 3/4-in. thick perlite board. Membrane: Firestone PVC

5 2" C-

15/32

Insulation (Optional): Polyisocyanurate, any thickness. Barrier Board: Minimum 1/4-in. thick DensDeck or DensDeck Prime with butt joints in the barrier board offset a minimum of 6-in. from the with the plywood butt joints in the roof deck. Membrane: Firestone PVC

6 1" NC Insulation: Flex Membrane International Corp. Flex ISO II, Firestone Building Products Iso 95+GL, Atlas Roofing Corp. ACFoam II, any thickness. Membrane: Firestone PVC, 40 to 100 mil (TPA).

7 2 ½” NC

Vapor Barrier (Optional): (Not UL Classified) (1) 6 mil polyethylene (2) B F Goodrich Permate, (3) Johns Manville Asbestogard, (4) Fortifiber Pyro-Kure 600 or (5) Fortifiber Vaporstop 298. Insulation: One or more of the following or combinations, any thickness: Flex Membrane International Corp. Flex ISO II, Rmax Operating LLC Thermaroof Plus-3 or Multi Max-3, Atlas Roofing Corp. ACFoam II or Johns Manville ENRGY 3. Membrane: Firestone PVC, 50 to 100 mil.

8 ½” NC Insulation: Rmax Operating LLC Thermaroof Plus-3 or Multi-Max-3, any thickness. Membrane: Firestone PVC, 40 to 100 mil (TPA).

9 1 ¼” NC Insulation: Firestone ISO 95+GL or ISOGARD GL, any thickness. Membrane: Firestone PVC 50 to 80 mils.

10 2" NC Insulation: 1/2 in. thick woodfiber board, mechanically fastened. Membrane: Firestone PVC 50 to 80 mils.

11 5" C-

15/32

Insulation (Optional): Any UL Classified, any thickness. Barrier Board: minimum 1/4-in. thick DensDeck or DensDeck Prime, joints in barrier board offset 6 in. with joints in deck. Membrane: Firestone PVC 50 to 80 mils.

12 4" C-

15/32

Insulation: Minimum 1/2-in. thick ISOGARD HD or minimum 1-in. thick ISOGARD HD Composite Board or 1/2-in. thick RESISTA or ISOGARD HD Membrane: Firestone PVC 50 to 80 mil.

Firestone PVC Systems – Fire Ratings (Class C) – Mechanically Attached Membrane Systems Construction: New or Complete Tear-Off

System Number


1 1" C-

15/32

Insulation: Dow Chemical Hy-Tec or Energy-Lok, any thickness, with butt joints in the insulation offset a minimum of 6-in. from the with the plywood butt joints in the roof deck. Membrane: Firestone PVC

2 1" C-

15/32 Slip Sheet: Flex Membrane International Corp. Flex FR-50 or Atlas Roofing Corp. FR-50. Membrane: Firestone PVC

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Firestone PVC KEE and PVC KEE XR Systems – Fire Ratings (Class A) – Adhered Membrane Systems Construction: New or Complete Tear-Off Note: (Optional) Noncombustible roof deck classifications are applicable for use over combustible roof (minimum 15/32-in. thick) decks when minimum 1/2-in.thick gypsum board or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC Dens-Deck Roofboard or Dens-Deck Prime Roofboard are used directly over the plywood roof deck with all butt joints in the barrier board staggered a minimum of 6-in. from plywood roof deck butt joints.

System Number


16 2 ½" NC Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, perlite or fiberglass mechanically fastened. Membrane: Firestone PVC KEE, 50-80 mil, adhered with Firestone PVC Bonding Adhesive.

17 2 ½" NC

Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, perlite or fiberglass mechanically fastened. Membrane: Firestone PVC KEE, 50-80 mil, fully adhered with Firestone PVC LVOC Bonding Adhesive.

18 Unlimited C-

15/32

Barrier Board: Gypsum wallboard, 1/2 in. thick minimum or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, joints in barrier board offset 6 in. with joints in deck. Membrane: Firestone PVC KEE, 50-80 mil, fully adhered with Firestone PVC Bonding Adhesive.

19 Unlimited C-

15/32

Barrier Board: Gypsum wallboard, 1/2 in. thick minimum or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, joints in barrier board offset 6 in. with joints in deck. Membrane: Firestone PVC KEE, 50-80 mil, fully adhered with Firestone PVC LVOC Bonding Adhesive.

20 1 ½" NC Insulation (Optional): Any UL Classified Polyisocyanurate, any thickness, mechanically fastened or hot mopped. Membrane: Firestone PVC KEE, 50-80 mil, fully adhered with Firestone PVC Bonding Adhesive.

21 ¾" NC

Insulation (Optional): Firestone ISO 95+GL or ISOGARD GL, FiberTop™ B, any thickness, or any UL Classified polyisocyanurate, perlite, fiberglass or wood fiberboard, any combination, any thickness, mechanically fastened or hot mopped. Membrane: Firestone PVC KEE, 50-80 mil, fully adhered with Firestone PVC LVOC Bonding Adhesive.

22 1 ¾" NC

Insulation (Optional): RESISTA™ or ISOGARD CG, any thickness, mechanically fastened or adhered with hot roofing asphalt, any combination. Membrane: Firestone PVC KEE, 50-80 mil, fully adhered with Firestone PVC Bonding Adhesive or Firestone PVC LVOC Bonding Adhesive.

23 2 ½" NC

Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, Perlite or fiberglass mechanically fastened. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone PVC Water Based Bonding Adhesive.

24 2 ½" NC Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, Perlite or fiberglass mechanically fastened. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone ISO Spray R adhesive.

25 2" NC Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, perlite, or fiberglass mechanically fastened. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone Twin Jet adhesive.

26 2" NC Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, Perlite or fiberglass mechanically fastened. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone XR Stick adhesive.

27 2 ½" NC

Insulation (Optional): RESISTA™ or ISOGARD CG, any thickness, mechanically fastened or adhered with hot roofing asphalt, any combination. Membrane: Firestone PVC KEE XR, 50-80 mil, fully adhered with Firestone PVC Water Based Bonding Adhesive.

28 2" NC Insulation (Optional): RESISTA™ or ISOGARD CG, any thickness, mechanically fastened or adhered with hot roofing asphalt, any combination. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone ISO Spray R adhesive.

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29 2" NC Insulation (Optional): RESISTA™ or ISOGARD CG, any thickness, mechanically fastened or adhered with hot roofing asphalt, any combination. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone Twin Jet adhesive.

30 1 ½" NC

Insulation (Optional): RESISTA™ or ISOGARD CG, any thickness, mechanically fastened or adhered with hot roofing asphalt, any combination. Membrane: Firestone PVC KEE XR FB, 50-80 mil, adhered with Firestone XR Stick Membrane Adhesive.

31 Unlimited C-

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Insulation (Optional): Any UL Classified any thickness. Barrier Board: Minimum 1/4-in. Georgia-Pacific LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard with joint offset 6 inches from joints in the deck Membrane: Firestone PVC KEE XR, 50-80 mil, fully adhered with Firestone PVC Water Base Bonding Adhesive.

32 3" C-

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Insulation (Optional): Any UL Classified any thickness, any combination. Barrier Board: Minimum 1/2-in. thick gypsum wallboard or Minimum 1/4-in. Georgia-Pacific LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard with joint offset 6 inches from joints in the deck Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone ISO SprayR Adhesive.

33 3" C-

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Insulation (Optional): Any UL Classified any thickness. Barrier Board: Minimum 1/2-in. thick gypsum wallboard or Minimum 1/4-in. Georgia-Pacific LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard with joint offset 6 inches from joints in the deck Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone XR Stick or Firestone Twin Jet.

34 1" NC

Insulation (Optional): — Firestone ISO 95+GL or ISOGARD GL, FiberTop™ B, any thickness, or any UL Classified polyisocyanurate, perlite, fiberglass or wood fiberboard, any combination, any thickness, mechanically fastened or hot mopped. Membrane: Firestone PVC KEE XR, 50-80 mil, fully adhered with Firestone PVC Water Based Bonding Adhesive.

35 1 ½" NC

Insulation (Optional): Firestone ISO 95+GL or ISOGARD GL, FiberTop™ B, any thickness, or any UL Classified polyisocyanurate, perlite, fiberglass or wood fiberboard, any combination, any thickness, mechanically fastened or hot mopped. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone ISO Spray R Adhesive

36 2" NC Insulation (Optional): Firestone ISO 95+GL or ISOGARD GL, any thickness, or any UL Classified polyisocyanurate, any thickness, mechanically fastened or hot mopped. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone Twin Jet, adhesive

37 1" NC

Insulation (Optional): Firestone ISO 95+GL or ISOGARD GL, any thickness, or any UL Classified polyisocyanurate, any combination, any thickness, mechanically fastened or hot mopped. Membrane: Firestone PVC KEE XR, 50-80 mil, adhered with Firestone XR Stick Membrane Adhesive

Firestone PVC KEE and PVC KEE XR Systems – Fire Ratings (Class A) – Mechanically Attached Membrane Construction: New or Complete Tear-Off

System Number


13 2 ½" NC Insulation (Optional): Wood fiber, 1/2-in. minimum thickness, or perlite, fiberglass, mechanically fastened Membrane: Firestone PVC KEE, 50-80 mil, mechanically fastened

14 Unlimited C-

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Barrier Board: Gypsum wallboard, 1/2 in. thick minimum or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, joints in barrier board offset 6 in. with joints in deck. Membrane: Firestone PVC KEE, 50-80 mil, mechanically fastened

15 2 ½" NC

Insulation (Optional): Any UL Classified, any thickness, mechanically fastened Cover Board (Optional): Wood fiber, ISOGARD™ HD or ISOGARD™ HD Composite Board or RESISTA™ or ISOGARD™ CG, any thickness, mechanically fastened Membrane: Firestone PVC KEE, 50-80 mil, mechanically fastened

16

2 ½" NC Insulation (Optional): Minimum 1/2-in. thick ISOGARD™ HD or minimum 1-in. thick ISOGARD™ HD Composite Board or 1/2-in. thick RESISTA™ or ISOGARD CG, mechanically fastened Membrane: Firestone PVC KEE, 50-80 mil, mechanically fastened

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17 2 ½" NC Insulation (Optional): Wood fiber 1/2 inch minimum thickness, mechanically fastened. Membrane: Firestone PVC KEE XR, 50-80 mil, mechanically fastened

18 Unlimited C-

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Barrier Board: Gypsum wallboard, 1/2 in. thick minimum or minimum 1/4-in. thick Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, joints in barrier board offset 6 in. with joints in deck, , mechanically fastened Membrane: Firestone PVC KEE XR, 50-80 mil, mechanically fastened

19 2 ½" NC

Insulation (Optional): Firestone ISO 95+GL or ISOGARD GL, any thickness. Cover Board (Optional): Wood fiber, perlite, ISOGARD™ HD or ISOGARD™ HD Composite Board or RESISTA™ or FiberTop™ B, any thickness, mechanically fastened. Membrane: Firestone PVC KEE XR FB, 50-80 mil, mechanically fastened.

22 ¼" NC Insulation: Dow Chemical Hy-Tec, 2 in. thick maximum. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE.

23 1" NC Insulation: Polystyrene, any thickness. Barrier Board: 3/4 in thick minimum perlite. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE.

24 1" NC Insulation: Cellular concrete, gypsum concrete, vermiculite concrete, perlite concrete or structural concrete. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE.

25 1" C-

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Barrier Board: 5/8 in. thick gypsum board, mechanically fastened with 6 in. offset of the gypsum joints from the plywood joints. Insulation: Polystyrene, any thickness. Barrier Board: 3/4 in. thick perlite board. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE.

26 2" C-

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Insulation (Optional): Polyisocyanurate, any thickness. Barrier Board: Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, 1/4 in. thick (minimum) with all joints staggered a minimum of 6 in. from the plywood joints. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE.

32 2" NC

Barrier Board: Georgia-Pacific Gypsum Corp. 1/4-in. Dens-Deck, Dens-Deck Prime or United States Gypsum Co. SECUROCK® gypsum 1/4 min. Insulation (Optional): Flex ISO II, Firestone Building Products Co. LLC ISO 95+GL, Atlas Roofing Corp. ACFoam II, Rmax Operating LLC Thermaroof Plus-3 or Multi-Max-3, any thickness. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE 40-100 mil.

General Notations – Maintenance and Repair Systems Unless otherwise indicated, insulation and base sheets may be mechanically attached, hot mopped or attached

with cold application adhesive as Listed under Adhesive, Roof Construction Materials, in any system incorporating modified bitumen.

If two existing roof assemblies exist, then both systems should be removed to the deck. Re-cover applications allow for only one existing roof system to be covered.

These roofing systems are composed of various types of roofing applications which are specifically limited for installation (recover) over existing roofing systems as specified. These systems may not meet certification requirements without being used over existing systems. Recovering may also be accomplished with certified new construction roofing systems where compatibility has been determined by test, by empirical data or by known performance properties of similar materials to the test methods. The following guidelines are provided to assist Authorities Having Jurisdiction in determining the suitability of a new construction roofing system as a recover system. Noncombustible Deck Construction:

1. Insulated roof systems may be utilized over any type of existing roof system and maintain its new construction rating when the roof deck is noncombustible.

2. Insulated multiple-layered hot mopped, cold application or modified bitumen membrane new construction systems with a base ply of Type G1 or Type G2 may be used over any existing roof system and maintain its new construction rating when the roof deck is noncombustible. The insulation may be omitted from the recover system.

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3. Uninsulated multiple-layered hot mopped, cold application or modified bitumen membrane new construction systems with a base ply of Type G1 or Type G2 may be used over any existing uninsulated roof system and maintain its new construction rating when the roof deck is noncombustible.

4. Spray applied foam systems with minimum 1-1/2-in.-thick foam may be used over any existing roof system and maintain its new construction rating when the roof deck is noncombustible.

Combustible Deck Construction:

1. Insulated roof systems certified for use over combustible deck can be used over any type of existing roof system and maintain its new construction rating.

2. Insulated roof systems certified for use over noncombustible deck may be used over any type of Class A, B or C existing roof systems. The resultant Class will be the lesser rating of the existing system or the new construction (recover) system.

3. Uninsulated multiple-layered hot mopped, cold application or modified bitumen membrane new construction systems with a base ply of Type G1 or Type G2 may be used over any existing uninsulated roof system and maintain its new construction rating.

4. Spray applied foam systems with minimum 1-1/2-in.-thick foam certified for use over noncombustible deck may be used over any type of Class A, B or C existing roof system. The resultant Class will be the lesser rating of the existing system or the new construction (recover) system.

Firestone PVC Systems – Fire Ratings (Class A, B or C) – Maintenance and Repair Systems Construction: Re-Cover

System Number


4 See Note 1 NC

Insulation: — Any UL Classified, any thickness, adhered with Firestone I.S.O. Twin Pack. Membrane: — Any UL Classified modified bitumen system, BUR system or CPE, CSM, CSPE, EPDM, NBP, PIB, PVC, TPO or TRE membrane system suitable for use with any roof insulation. Note 1: Classification (A, B or C) and maximum incline will be the same as that of the Classified Roofing System (TGFU) currently limited to noncombustible roof deck.

Firestone PVC Systems – Fire Ratings (Class A) – Maintenance and Repair Systems Construction: Re-Cover

System Number


1 ½" C-

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Existing Roof System: Class A gravel surfaced B-U-R (gravel to be maintained). Insulation (Optional): Polystyrene, any thickness. Barrier Board: Minimum 1/4-in. thick DensDeck or DensDeck Prime. Membrane: PVC, mechanically fastened.

2 ½" C-

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Existing Roof System: Class A, B or C carp sheet or smooth surfaced BUR roof, insulated or uninsulated and/or single ply membrane (EPDM, PVC or CPE). Barrier Board: Minimum 1/4-in. thick DensDeck or DensDeck Prime. Membrane: PVC, mechanically fastened.

3 ½" NC

Existing Roof System: Class A, B, C cap sheet or smooth surfaced BUR roof, insulated or uninsulated and/or single ply membrane (EPDM, PVC or CPE). Insulation: Any UL Classified polystyrene insulation, any thickness covered with Apache Products Pyrox Whiteline, 1-in. thick minimum. Membrane: PVC, mechanically fastened.

4 ¼" NC

Existing Roof System: Class A cap sheet or smooth surfaced BUR system (insulated or uninsulated) covered with: Slip Sheet: Flex Membrane International Corp. Flex FR-10 or Atlas Roofing Corp. FR-10. Membrane: PVC, mechanically fastened.

5 ½" NC

Existing Roof System: Class A, B, C cap sheet or smooth surfaced BUR roof, insulated or uninsulated and/or single ply membrane (EPDM, PVC or CPE). Insulation: Any UL Classified polystyrene insulation, any thickness covered with minimum 1-in. thick Dow Chemical Hy-Tec (Energy Lok). Membrane: PVC, mechanically fastened.

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6 ½" C-

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Existing Roof System: Class A B-U-R (gravel maintained) covered with: Insulation: Wood fiberboard (1-in. thick or 2-layers 1/2 in. thick) mechanically fastened. Membrane: PVC, mechanically fastened.

Firestone PVC KEE Systems – Fire Ratings (Class A) – Maintenance and Repair Systems Construction: Re-Cover

System Number


21 ½" C-

15/32

Existing Roof System: Class A gravel surfaced B-U-R (gravel to be maintained). Insulation (Optional): Polystyrene, any thickness. Barrier Board: Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, 1/4 in. thick (minimum). Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE, mechanically fastened.

22 ½" C-

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Existing Roof System: Class A, B or C carp sheet or smooth surfaced BUR roof, insulated or uninsulated and/or single ply membrane (EPDM, PVC or CPE). Barrier Board: Georgia-Pacific Gypsum LLC DensDeck® Roofboard or DensDeck Prime® Roofboard or DensDeck DuraGuard™ Roofboard, 1/4 in. thick (minimum). Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE, mechanically fastened.

26 ½" C-

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Existing Roof System: Class A B-U-R (gravel maintained) covered with: Insulation: Wood fiberboard (1-in. thick or 2-layers 1/2 in. thick) mechanically fastened. Membrane: Firestone PVC KEE or GenFlex Perma PVC KEE, mechanically fastened.

UL Internal Fire Ratings To determine the resistance of a building to internal sources of fire, Underwriters Laboratories has conducted extensive testing and classification of wall, floor/ceiling and roof/ceiling assemblies. UL classified assemblies are rated according to the time in hours the assembly will contain a fire and still maintain structural integrity. Testing is conducted in accordance with UL Standard 263 (ASTM E-119), which is recognized by all major building codes.

Roof/Ceiling Assemblies are listed in the UL Fire Resistance Directory - Vol. 1 under the prefix “P” and are classified by hourly fire rating according to the type of protection used to contain a fire:

Assembly Protection Used P000 – P099 Concealed grid suspended ceiling P200 – P299 Exposed grid suspended ceiling P400 – P499 Metal lathe (plaster) ceiling P500 – P599 Gypsum board ceiling P600 – P699 Miscellaneous fireproofing P700 – P799 Spray-Applied Resistive Material P800 – P899 Spray-Applied Resistive Material P900 – P999 Unprotected concrete or composite decks

It should be noted that the roof membrane forms only a small part of the total roof/ceiling assembly. For a structure to qualify for a “P” Assembly or Roof Deck Construction, all materials used to construct the assembly (including roof decking, ceiling materials, light fixtures, duct work and structural support members) must be UL classified and installed as described in the appropriate UL Directories.

The insulations listed with each of the following “P” Assemblies are not, in most cases, the only UL accepted insulations for that assembly. Consult the UL Fire Resistance Directory - Vol. 1 for “P” Assembly information and the UL Roofing Materials and Systems Directory for Roof Deck Construction information, or call Firestone Technical Services for additional accepted insulations.

UL has indicated on page 8 of the 2008 Fire Resistance Directory - Vol. 1 that "Class A, B or C roof coverings consisting of hot mopped or cold applied bituminous materials or a roof covering material classified under 'Roofing Membranes' (CHCI) may be applied directly to the concrete or wood surface of floor designs being used as roofs without a reduction of fire resistance ratings." They further state on page 8 that "Roof insulation is to be carefully controlled relative to manufacturer, type and thickness as specified. Less than the specified thickness could result in higher temperatures on the roof covering while a greater thickness of insulation could cause earlier structural failure. Classified polystyrene insulation, with a density of 5 pcf or less, may be placed on concrete floors or structural concrete roofs without reducing the assembly rating. When polyisocyanurate insulation is used over concrete in D 900 Series Designs, the unrestrained beam rating shall be increased by a minimum of ½ hour."

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Roof Deck Constructions are listed in the UL Roofing Materials and Systems Directory and are rated according to the interior flame spread of the assembly as compared to the flame spread of a typical built-up roof installed over a metal deck (UL 1256). Roof Deck Constructions may also be classified according to wind uplift performance. The fire rating of a UL Roof Deck Construction is similar to the Factory Mutual Class I internal fire (calorimeter) rating and they are deemed equivalent by the Model Building Code Agencies.

UL Roof Deck Constructions and “P” Assemblies Deck Constructions (Tested in accordance to UL 1256) Firestone UltraPly TPO 96/120 roofing systems are classified for use in the following Deck Construction: 1, 2, 9, 14, 120, 123, 158, 200, 219, 237, 260, 276, 289, 292, 325, 374, 411, 412, 413, 419, 421, 440, 441, 444, 457, and 458. Consult Roof Deck Constructions (TGKX) in the UL Roofing Materials and Systems Directory, your regional technical coordinator or the Firestone Codes Department for an acceptable insulation for use in these constructions.

“P” Assemblies (Designs) Firestone TPO 96/120 roofing systems are classified for use in the following hourly roof / ceiling designs. Adhered or mechanically attached systems with or without optional wood fiber or mineral board insulation for use in Design numbers: P215, P216, P225, P227, P230, P231, P242, P246, P251, P259, P405, P406, P407, P410, P508, P510, P511,P512,P513, P514, P519, P701, P708, P709, P710, P711, P712, P717, P718, P719, P720, P722, P723, P725, P726, P727, P728,P729, P730, P731, P732, P733, P734, P735, P737, P738, P739, P801, P810, P811, P815, P819, P822, P824, P825, P826, P827,P902, P903, P904, P905, P906, P907, P908, P909, P910, P911, P912, P913, P914, P915, P916, P917, P919, P920, P921, P922,P923, P925, P926, P927, P928, P929, P930, P931 Consult Fire Resistance Ratings (BXUV) in the UL Fire Resistance Directory, your regional technical coordinator or the Firestone Codes Department for an acceptable insulation, thickness and additional requirements. NOTE: The accepted insulation must be used in a UL Class A, B or C rated roofing assembly. UL acceptable system (e.g., adhering EPDM to Perlite or Fiberglass) listed for "P" design may not be approved for installation and warranty by Firestone. Contact Firestone Specifications and/or your Firestone Regional Technical Coordinator concerning acceptance.

Factory Mutual General Information Factory Mutual Class 1 Approvals cover a wide range of testing of roofing products, including tests for fire resistance, corrosion resistance, fuel contribution and hail damage, Factory Mutual Approvals are known best for the uplift resistance, 1-60, 1-90, etc. afforded by an FM Approved roofing assembly:

FM 1-60 assemblies have been tested to withstand 60 psf air pressure applied for a period of one minute as well as one minute at the 30 and 45 psf levels.

FM 1-90 assemblies have been tested to withstand 90 psf air pressure applied for a period of one minute as well as one minute at the 30, 45, 60 and 75 psf levels.

Higher uplift ratings are possible based on the deck type and its attachment, fastener density and row spacing where applicable.

When Factory Mutual 1-60 or 1-90 uplift ratings are specified, additional insulation attachment and reduced perimeter and corner batten (in-seam plate or batten for Reinforced Systems) spacing will/may be required. Consult the current edition of Factory Mutual Loss Prevention Data Sheets 1-28 and 1-29 for instructions for determining the required corner and perimeter dimensions and reduced spacing and increased fastener densities.

Ground Roughness Definitions The descriptions below are based on information in ASCE 7. While information on this subject in the body of that standard is relatively brief, the designer must read the considerable additional information provided in the related commentary section of that document, particularly when then exposure is not obvious. For Exposure Category B to be used:

A. The exposing terrain should include urban and suburban areas, wooded areas, or other terrain with numerous closely spaced obstructions having the size of single-family dwellings or larger.

B. Use of this exposure category should be limited to those areas for which the above terrain prevails in all directions for a distance of at least 2600′ (800 m) or 20 times the height of the building or other structure, whichever is greater.

C. Limited openings in this terrain, such as small parking lots, roads, road intersections, playing fields, underdeveloped lots, and tree clearings can be tolerated. For openings that exceed 600′ (180 m) in total length measured radially from the building and 165′ [50 m] in width, use surface roughness exposure C.

D. For buildings whose height is less than or equal to 30′ (9.1 m), the prevailing exposure B distance may be reduced to 1500′ (460 m).

E. In cases where the difference between exposures B and C is not obvious, use exposure C.

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Exposure Category C NOTE: In cases where the difference between exposure B and C is not obvious, use exposure C. For Exposure Category C to be used:

A. The exposing terrain should be open with scattered obstructions having heights generally less than 30′ (9 m), such as flat, open country and grasslands, and in all cases where exposures B and D do not apply.

B. This also includes where surface roughness exposure B terrain is interrupted by clearings (parking lots, wide roads, road intersections, playing fields, underdeveloped lots, tree clearings, etc.) of greater than 600′ (180 m) in total length measured radially from the building and exceeding 165′ (50 m) in width.

Exposure Category D NOTE: Some examples of D exposures include inland waterways, the Great Lakes, and coastal areas. See fig. 3.2.2.3 in FM Global LPDA 1-28 for examples of Exposure D requirements. For Exposure Category D to be used in determining the design wind pressure, all the following must be met:

A. The terrain upwind of the structure must be flat, unobstructed areas or water surfaces including smooth mud flats, salt flats, and unbroken ice and is present in the upwind direction for a distance greater than approximately 5000′ (1500 m) or 20 times the building height, and

B. The building must be within the greater of 600′ (180 m) or 20 times the building or structure height from the terrain (see Fig. 3.2.2.3), even if the terrain between the building and the terrain described in A. above would otherwise be considered Category B or C.

FM Approvals General Notations

PLEASE NOTE: Not all FM-rated assemblies that use Firestone roofing products are eligible for the Firestone Red Shield, Red Shield Medallion, or Platinum Warranty. The Firestone standards, guidelines, and specifications regarding roofing system components and attachment for the warranty desired must be followed. RoofNav® assemblies are summarized in the following tables; however, an assembly search should be conducted to confirm the attachment rates and requirements set for in the approval number. In all occasions, should a discrepancy occur between this guide and RoofNav, the published information located in the approval at www.roofnav.com should be adhered and utilized.

Additionally, please be aware that the following assemblies typically are in reference to the field of the roof rating and attachment. Please refer to FM Global Loss Prevention Data Sheet 1-28 and 1-29 to determine the requirements for additional fastening requirements in the perimeter and corner. In all cases, when the project is Factory Mutual insured, please consult the FM agent assigned to the review of the project to ensure compliance. The assemblies listed in this document may not be suitable for a Firestone Warranty. Prior to installation, contact a Firestone Representative for approval of assembly for warranty purposes. It is acceptable to use multiple layers of FM Approved insulation, mechanically secured through all layers, provided all the following are true:

All layers are the same insulation; The total insulation thickness is not greater than the maximum FM Approved thickness of the insulation; The mechanical fastening and wind uplift rating are per the FM Approval of the top layer; and, The roof cover/insulation/fastener combination is FM Approved.

**Water Based Bonding Adhesive-P (WBBA-P) is the equivalent to Water Based Bonding Adhesive-S (WBBA-S)**

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Large Wall Opening Enhancement

ASCE 7 should be consulted to determine the appropriate building configuration, enclosed, partially enclosed or open. The building configuration impacts the appropriate design and attachment required for the roofing system. If an existing building is altered, adding large openings, change of use, etc., adjustments may need to be made to accommodate the changes.

The large wall opening enhancement is required when the sum of the various opening areas (w x h) is greater than 10% of the wall area.

Perimeter ½ sheets are required in the hatched area as shown in the diagram below. It is common installation practice to extend the perimeter along this entire building plan dimension to accommodate this rule, but it not required. For warranty purposes Firestone finds it acceptable to utilize battens, plates and fasteners or Invisiweld attachment methods for this enhancement.

WH

CL

HW

CL

CL

1.5 x W

2 x W

CL

1.5 x W

2 x W

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Factory Mutual (FM) Hail Ratings Use FM RoofNav to find properly rated roof assemblies. The following information has been referenced from the FM Global Property Loss Prevention Data Sheet (LPDS) 1-34. FM recommends using a different hail rated assemblies determined by the projects location. Reference the map provided (Fig. C-1) to determine which rating may be required for your FM insured project. Install the FM Approved roof according to the RoofNav listing and the manufacturer’s instructions. Perimeter flashing while not carrying a hail rating should be installed in accordance to LPDS 1-49, Perimeter Flashing. It is the responsibility of the building owner to validate the project meets the local building code requirements.

Hail Hazard Area Roof Assembly Type FM Approval Rating

Very Severe Hail (VSH) Poured concrete or concrete paver covered roof1,2 N/A Any FM Approved Roof VSH

Severe Hail (SH) Any FM Approved Roof VSH, SH, FM Class 3 or FM Class 4 Poured concrete, concrete paver or aggregate (stone) covered roof1,2

N/A

Moderate Hail (MH) Any FM Approved Roof

VSH, SH, MH, FM Class 2, FM Class 3 or FM Class 4

Poured concrete, concrete paver or aggregate (stone) covered roof1,2

N/A

1. Follow Data Sheet 1-29, Roof Deck Securement and Above-Deck Roof Components, for use and restrictions on concrete pavers and aggregate (stone).

2. Concrete pavers meeting ASTM C1491-18, Standard Specification for Concrete Roof Pavers, or equivalent standard outside the US.

Fig. C-1. Hailstorm hazard map for the contiguous United States

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Roof Zone Definition – Factory Mutual (FM) The following diagrams are referenced from the FM Global Property Lost Prevention Data Sheets 1-28 and 1-29. This outlines how to determine the minimum required roof zone areas based on the building size and relative conditions.

Roof Zone Layout Based on Building Height

For low-slope roofs ≤ 7° (1.5 in./ft. slope) and h ≤60 ft (18 m), or h ˂ 90 ft (27 m) and h/w ≤ 1.0), the roof can be divided into four zones as a function of h, where h = the mean roof height.

Roof Slopes ≤ 7° (1.5 in./ft slope) and h ˃ 60 ft (18 m) for h/w ˃ 1.0; or h ≥ 90 ft (27.4 m) for h/w ≤ 1.0, the roof can be divided into three zones as a function of a, where a = 10% of the lesser plan dimension, but not less than 3 ft (0.9 m).

Zone 3(Corner): The roof corners, with L-shaped dimension = 0.6h by 0.6h by 0.2h. Zone 2 (Perimeter): The roof perimeter, inward from the roof edge, with rectangular dimension and width = 0.6h from roof edges. Zone 1 (Field): The field-of-roof (area inside corners and perimeter corners) up to a distance of 1.2h from the roof perimeter. Zone 1’ (Field Prime): Applies to relatively wide buildings (˃ 2.4h) and covers the remaining roof area inward from Zone 1.

Zone 3(Corner): The roof corners, with L-shaped dimension = 2a by 2a by a. Zone 2 (Perimeter): The roof perimeter zone width dimension = a width in from roof edges. Zone 1 (Field): The field-of-roof (area inside corners and perimeter areas) is the remainder of the roof area.

Note: If a parapet with a minimum height of 3 ft (0.9 m) is provided around the entire perimeter, Zone 2 values may be used in Zone 3. Example: Roof height of 30’ .6 x 30’ = 18’ .2 x 30’ = 6’ Zone 3(Corner): 0.6 x 30 by 0.6 x 30 by 0.2 x 30 = 18’ by 18’ by 6’ Zone 2 (Perimeter): 0.6 x 30 = 18’ Zone 1 (Field): 0.6 x 30 = 18’ Zone 1’ (Field Prime): Covers the remaining roof area inward from Zone 1.

Example: Roof size and height of 55′ x 55′ x 65’ 10% of 55′ = 5.5’ a = 5.5′ Zone 3(Corner): 2 x 5.5′ by 2 x 5.5′ by 5.5′ = 11’ by 11’ by 5.5’ Zone 2 (Perimeter): 5.5’ Zone 1 (Field): Remainder of roof area

Roof Slopes ˃ 7° (˃ 1.5") For roof slopes ˃ 7° (˃ 1.5"), depending on the slope. The width (a) of the various perimeter and corner zones for these steeper sloped roofs equals the lesser of 10% of the building width or 0.4h, but not less than 4% of the width or 3 ft (0.9 m). See FM Global Property Loss Prevention Data Sheet 1-28 for your specific conditions.

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Roof Elevation Changes Elevation change of ≥ 10 ft Elevation change of ˂ 10 ft

Where the difference in roof elevations between abutting buildings or building sections is greater than or equal to 10 ft (3.0 m), treat abutting areas of the higher building as perimeter and corner areas in accordance with figure shown above.

Where the difference in roof elevations between abutting buildings is less than 10 ft (3.0 m), follow guidance in figure shown above. The perimeter and field zones continue from one roof to the other. The buildings must be abutting for this to apply.

Note: The buildings do not abut if there is any horizontal separation.

Prescriptive Enhancement Options: Perimeter and Corner Adhered Membrane – Insulation Enhancements (choose one): Option 1: Use a system that is rated adequate for Zone 3 in all areas of the roof. Option 2: Prescriptive enhancements for Zones 2 and 3 Limitations: Zone 1 rating in any location does not exceed Class 1-90

Building is in non-tropical cyclone-prone region and Zone 1 rating does not exceed Class 1-105

For either of the above conditions, increase the securement over the Zone 1 rating as follows:

Assemblies using insulation fasteners, enhance as follows: Zone 2: Increase number of fasteners per board by 50% minimum, but at least one fastener per 2 ft² Zone 3: Install one fastener per 1 ft² Note: Round up to the next whole fasteners if necessary

Components adhered with adhesives applied in ribbons, spots, etc.: Zone 2: Install rows not more than 67% of the Zone 1 spacing between rows, or area Zone 3: Install rows not more than 50% of the Zone 1 spacing between rows, or area Note: Round the bead spacing down to the next whole number. 8.71 in o.c. beads spacing would be rounded down to 8 in o.c.

Mechanically Attached Membrane – Membrane Securement Enhancements – In Seam Prescriptively enhance by reducing the distance between rows of roof cover fasteners and stress plates or batten bars from the Zone 1 spacing using the following: Zone 2: Ensure distance between rows is not more than 67% of the FM approved spacing used for Zone 1 Zone 3: Ensure distance between rows is not more than 50% of the FM approved spacing used for Zone 1 Note: Fore metal decks install all rows of roof cover fasteners perpendicular to the ribs of the roof deck to better distribute the wind load and prevent deck failure. Example: A 75 psf rated assembly using a 10’ sheet size for Zone 1 (Field), decrease the row spacing for Zone 2 (Perimeter) by no more than 67% and Zone 3 (Corner) by no more than 50% of the field sheet span. (Always round down.) Zone 1 (Field): 10’ Sheets at 114" o.c. rows of fasteners Zone 2 (Perimeter): 114" rows x .67 = 76.38" rows = Max 76" o.c. rows Zone 3 (Corner): 114" rows x .5 = 57.5" rows = Max 57" o.c. rows

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Invisiweld Attached Membrane – Membrane Securement Enhancements Prescriptively enhance by reducing the distance between rows of roof cover fasteners and stress plates from the Zone 1 spacing using the following: Zone 2: Decrease spacing between fastener points in one or both directions.

Ensure the total tributary area to each fastener is not more than 67% of the FM approved spacing used for Zone 1 Zone 3: Decrease spacing between fastener points in one or both directions.

Ensure the total tributary area to each fastener is not more than 50% of the FM approved spacing used for Zone 1 Note: Pre-securement of the insulation may be required. See tested assembly for validation. When rows of fasteners are used Install all rows of roof cover fasteners perpendicular to the ribs of the roof deck to better distribute the wind load and prevent deck failure. Example: Zone 1: 24"x 24" pattern (6 fasteners per board or a tributary area of 4 sq. ft. per fastener) Zone 2: 16" x 24" pattern (12 fasteners per board or a tributary area of 2.68 sq. ft. per fastener) Due to rib spacing you may need: 12" x 24" pattern (14 per board or tributary area of 2.28 sq. ft. per fastener) Zone 3: 12" x 24" pattern (tributary area of 2 sq. ft.per fastener)

Base Sheet Attachment Over FM Approved Deck Types: The table below outlines the options for prescriptive enhancement options for base sheet attachment over FM approved deck types. For non-FM approved deck types, like wood, see FM Global Property Loss Prevention Data Sheet 1-29, Section 2.2.10.14.4.

Base Sheet – Mechanically Attached (choose one): Option 1: Use assembly that is rated to meet/exceed Zone 3 across the whole roof. Option 2: Use assembly that is rated to meet/exceed each zone. Option 3: Reduce the spacing between rows of fasteners by using one intermediate row in Zone 2 and Zone 3. Option 4: Reduce the area per fasteners to no more than 67% of the FM approved spacing in Zone 2, and not more than 50% of

the FM approved spacing in zone 3. Note: Install fasteners that engage lightweight insulating concrete (LWIC) no closer than 4 in. (100 mm) on center to avoid cracking the

LWIC. When ribbed deck, such as steel deck is used, the fastener spacing within fastener rows must be in even multiples of the deck rib

spacing (6 in. [150 mm] for 1-1/2 in. [38 mm] deep deck) to ensure the fastener engages the top deck flange. To adequately distribute the wind load to the roof deck and its securement and prevent deck buckling and deck securement failure,

install fastener rows perpendicular to the deck ribs.

Mechanically Attached Membrane – Preliminary Insulation Securement The table below provides the minimum preliminary insulation fastening rate required for systems using a mechanically attached membrane. Note the rates may differ based on the use or a vapor retarder, different building enclosure classification and building Zone 1 (Field) pressure rating.

Preliminary Insulation Securement for Fastened in the Seam MFSP’s

Vapor Retarder

Building Enclosure Classification

Maximum Required Zone 1 Pressure

Rating (P), psf (kPa)

Fastener Requirements for Insulation or Cover Boards up to 4 x 4 ft (1.2 x 1.2 m) board

Fastener Requirements for Insulation or Cover Boards up to 4 x 8 ft (1.2 x 2.4 m) board

No Enclosed or Partially Enclosed

No limit Minimum 2 per board Minimum 4 per board

Yes Enclosed P = 60 (2.9) Minimum 2 per board Minimum 4 per board Yes Partially Enclosed P = 60 (2.9) Minimum 4 per board Minimum 5 per board Yes Enclosed or

Partially Enclosed 60 ˂ P ≤ 90 (2.9 ˂ P ≤ 4.3)

Minimum 4 per board Minimum 5 per board

Yes Enclosed 90 ˂ P ≤ 300 (4.3 ˂ P ≤ 14.4)


Yes Partially Enclosed 90 ˂ P ≤ 300 (4.3 ˂ P ≤ 14.4)


Yes Enclosed P ˃ 300 (14.4) Minimum 6 per board Minimum 12 per board Yes Partially Enclosed P ˃ 300 (14.4) Minimum 8 per board Minimum 16 per board Note: Table 6 does not apply to roof assemblies with air barriers. Where air barriers are used, more stringent guidelines may be required in RoofNav and those must be followed.

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ASCE 7 – Basic Wind Speeds for Risk/Occupancy Category The American Society of Civil Engineers (ASCE) provides basic wind speed maps based on Occupancy/Risk Category of buildings. Refer to the appropriate version of the ASCE for wind maps specifc to the the buildings occupancy category. These maps can be found in the specific editions of the ASCE and can be found at www.atcouncil.org/windspeed. Locations that fall within a special wind region should be reviewed by an engieer to validate the full scope of the projects requirements.

ASCE - American Society of Civil Engineers - Roof Zones ASCE 7-10 (IBC 2015/2012) ASCE 7-10 offers basic wind speed maps for occupancy categories I, II, III and IV. In this edition of the ASCE Occupancy Category III and IV are combined on the same map, while category I and II have their own maps. In this edition three maps are provided based on Occupancy/Risk Category. This version of the ASCE uses a more generalized approach to the areas of the county where most of the county falls within one wind speed and the coastal areas are more defined with contour lines and varying wind speeds.

ASCE 7-10 Perimeter and Corner Definition - Examples The diagram below is an example only. Each building type and shape may require its own specific layout for perimeters and corners. ASCE 7-10 should be consulted for nonstandard building/roof types and shapes.

Roof Heights Where h ≤ 60 ft. Roof Heights Where h > 60 ft.

Notation: a = 10 percent of least horizontal dimension or 0.4h,

whichever is smaller, but not less than either 4% of least horizontal dimension or 3 ft (0.9 m).

h = Eave height shall be used for θ ≤ 10°. θ = Angle of plane of roof from horizontal, in degrees.

Notation: a = 10 percent of least horizontal dimension, but not less than 3

ft (0.9 m). h = Eave height shall be used for θ ≤ 10°.

θ = Angle of plane of roof from horizontal, in degrees.

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ASCE 7-16 (IBC 2018) ASCE 7-16 offers basic wind speed maps for occupancy categories I, II, III and IV. In this edition of the ASCE all Occupancy/Risk Categories have been defined on their own maps. In this edition four maps are provided based on Occupancy/Risk Category. This version of the ASCE uses more detailed contour lines throughout the map showing more accurate wind speed estimates.

ASCE 7-16 Perimeter and Corner Definition – Examples Data referenced from ASCE/SEI 7-16 Minimum Design Loads and Associated Criteria for Buildings and Other Structures. All referenced information should be validated against the current document and local relevant building codes. Roof zones may change based on actual building size/layout and roof type. See ASCE documents to validate zones based on building conditions.

Roof Heights Where h ≤ 60 ft. Roof Heights Where h > 60 ft.

Roof Zone Layout Example for Building Height ≤ 60’ (Roof Slope ≤ 1.5" (7°))

h = Roof Height

Roof Zone Layout Example for Building Heights ˃ 60’ (Roof Slope ≤ 1.5" (7°))

a = 10% of least horizontal dimention, but not less than 3 ft (0.9 m).

Example: Building Height = 30 ft

.6h = 18 ft .2h = 6 ft

Zone 3: 18′ x 18′ x 6′; Zone 2: 18′; Zone 1: 18′; Zone 1’: Remainder

Example: Buidling Dimensions: 80′ x 200′ Least Horizontal Dimention: 80′

a = 8’ 2a = 16’ Zone 3: 16′ x 16′ x 8′; Zone 2: 8′; Zone 1: Remainder

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ASCE 7-16 - Potential Zone Layouts Based on Building Ratio Scenario The figures below have been referenced from the ASCE 7-16 standard. (Figure C30-1)

Buildings with least horizontal dimension greater than 2.4h.

Buildings with least horizontal dimension greater than 1.2h but less than 2.4h.

Example: 600′ x 1,000′ x 30′ = .2h: 6′ & .6h: 18′ Zone 3: 18′ x18′ x 6′

Zone 2: 8′ wide from roof edge Zone 1: 8′ wide in from Zone 2

Zone 1′: Remainder

Example: 50′ x 100′ x 30′ = .2h: 6′ & .6h: 18′ Zone 3: 18′ x18′ x 6′

Zone 2: 18′ wide from roof edge Zone 1: Remainder

Buildings with least horizontal dimension less than 1.2h and largest horizontal dimension greater than

1.2h.

Building with largest horizontal dimension less than 1.2h.

Example: 30′ x 50′ x 30′ = .2h: 6′ &.6h: 18′ Zone 3: 6′ wide from roof edge, 18 legs

Zone 2: Remainder

Example: 20′ x 20′ x 20′ = .2h: 4′ Zone 3: 4′ wide from roof edge

Zone 2: Remainder

When the greatest horizontal dimension is less than 0.4h, the whole roof area is considered Zone 3.

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FM RoofNav Assemblies The listings below have been provided for reference only. It is the responsibility of the designer/user to validate the requirements of the assemblies listed below. Not all information has been provided for the listings referenced in this document. The full assembly and all associated components, application rates/methods and FM Approvals requirements should be validated within the actual FM Approvals listing. These can be found on the FM Approvals website at: https://www.roofnav.com/ General Notes:

DD = DensDeck; DDP = DensDeck Prime; Sec = Securock Gypsum Fiber Must use primer when adhering V-Force to substrate. Verify all insulation thickness requirements. ISO 95+ GL/Resista thickness rates may not be the same as ISOGARD

GL/ISOGARD CG insulations. Prescriptive enhancement attachment rates have been provided when possible. Please refer to FM Approvals Loss

Prevention Data Sheets (LPDS) 1-29 for prescriptive enhancement requirements. Firestone PVC – Re-Cover Systems – Adhered Membrane Steel Deck – ISO (Adhered) 135 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive, PVC LVOC Bonding Adhesive or PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 472440-0-0 472438-0-0

Slope: 1"

Uplift: 135 psf

Internal Fire: 1

External Fire: A

Hail: SH

Insulation ISO 95+ GL (F) ISOGARD GL (F)

1" ½" - 1"

Attachment ISO Twin Pack – 12" o.c. beads

Existing Roof Steel Deck

472440-0-0 Cover: Mod-Bit Surface: Mineral

472438-0-0 Cover: Built-up Surface: Asphalt

165 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive or PVC LVOC Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 472410-0-0 472409-0-0

Slope: 1"

Uplift: 165 psf

Internal Fire: 1

External Fire: A

Hail: SH

Insulation ISO 95+ GL (F) ISOGARD GL (F)

1" ½" - 1"

Attachment ISO Twin Pack – 12" o.c. beads

Existing Roof Steel Deck

472410-0-0 Cover: Mod-Bit Surface: Mineral

472409-0-0 Cover: Built-up Surface: Asphalt

Firestone PVC – Re-Roof Systems – Adhered Membrane Steel Deck – Cover Board (Adhered) – ISO (Adhered) – Nailed Base Sheet - LWC 90 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive, PVC LVOC Bonding Adhesive or PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 470313-0-0

Slope: 1.25"

Uplift: 90 psf

Internal Fire: 1

External Fire: A

Cover Board ISOGARD HD ISOGARD HD Composite

½" 1" – 2.5"

Attachment ISO Fix II Twin Pack ISO Stick Twin Jet 12" o.c. 12" o.c. 12" o.c. 12" o.c.

Insulation ISO 95+ GL (F/T) Resista (F/T) ISOGARD GL (F) ISOGARD CG (F)

1" - 8" 1" - 8" 2.3" - 13" 2.3" - 13"


Base Sheet Channel Venting Base, MB Base, SBS Base, SBS PolyBase

SBS Premium Base, SBS Smooth

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Hail: SH

Attachment Two Piece Impact Nail Sheet Row Spacing: 35.4" o.c. Fasteners: 7" o.c.

(2) Field Row Spacing: 11.75" o.c. Fasteners 7" o.c. Existing Roof Lightweight Insulating concrete over Steel Deck – 33 ksi

RoofNav #: 470328-0-0

Slope: 4"

Uplift: 90 psf

Internal Fire: 1

External Fire: A

Hail: SH

Cover Board ¼" min. DensDeck Prime or Securock


Insulation ISO 95+ GL (F/T) Resista (F/T) ISOGARD GL (F/T) ISOGARD CG (F/T)

1" - 8" 1" - 8" 2.3" - 13" 2.3" - 13"


Base Sheet Channel Venting Base, MB Base, SBS Base, SBS PolyBase

SBS Premium Base, SBS Smooth

Attachment Two Piece Impact Nail Sheet Row Spacing: 35.4" o.c. Fasteners: 7" o.c.

(2) Field Row Spacing: 11.75" o.c. Fasteners 7" o.c. Existing Roof Lightweight Insulating concrete over Steel Deck – 33 ksi

Firestone PVC – Adhered Membrane Concrete Deck – Gypsum Cover Board (Attached) – ISO (CF) 90 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive, PVC LVOC Bonding Adhesive or PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 473392-0-0

Slope: 4"

Uplift: 90 psf

Internal Fire: NC

External Fire: A

Hail: SH

Cover Board DensDeck Securock

¼" min. ¼" min.

Attachment 18 Concrete Drive or Firestone Heavy-Duty Fasteners and Plates


1" - 12" 1" - 12" ½" - 13" ½" - 13"

Attachment CF CF CF CF

Deck Min. 2,500 psi Structural Concrete

105 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive, PVC LVOC Bonding Adhesive or PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 474205-0-0

Slope: 4"

Uplift: 105 psf

Internal Fire: NC

External Fire: A

Hail: SH

Cover Board ¼" min. DensDeck Prime



1.5" - 12" 1.5" - 12" ½" - 13" ½" - 13"


Vapor Retarder Optional: 4-6 mil Poly or V-Force (Primer may be required.)


150 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 474205-0-0

Slope: 4"

Uplift: 105 psf

Internal Fire: NC

External Fire: A

Hail: SH

Cover Board ½" min. DensDeck Prime



1.5" - 12" 1.5" - 12" ½" - 13" ½" - 13"


Vapor Retarder Optional: 4-6 mil Poly or V-Force (Primer may be required.)


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Concrete Deck – ISOGARD HD Cover Board (Attached) – ISO (CF) 90 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive, PVC LVOC Bonding Adhesive or PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 473392-0-0 472948-0-0

Slope: 4"

Uplift: 90 psf

Internal Fire: NC

External Fire: A

Hail: SH

Cover Board ½" ISOGARD HD



½" - 12" ½" - 12" ½" - 13" ½" - 13"


Vapor Retarder Optional: 4-6 mil Poly Required: V-Force & Primer


RoofNav #: 472881-0-0

Slope: 1.25"

Uplift: 90 psf

Internal Fire: NC

External Fire: A

Hail: SH




1.5" - 4" ½" - 4" ½" - 13" ½" - 13"



120 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Water Based Bonding Adhesive

RoofNav #: 472878-0-0

Slope: 1.25"

Uplift: 120 psf

Internal Fire: NC

External Fire: A

Hail: SH



Insulation ISO 95+ GL (F/T) ISOGARD GL (F/T)

½" - 4" ½" - 13"

Attachment CF CF


Concrete Deck – Gypsum Cover Board (Adhered) – ISO (Adhered) – ISO (Attached) 90 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive, PVC LVOC Bonding Adhesive or PVC Water Based Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 474187-0-0 474230-0-0 474188-0-0

Slope: 4"

Uplift: 90 psf

Internal Fire: NC

External Fire: A

Hail: SH

Cover Board ¼" min. DensDeck



½" - 4" ½" - 4" ½" - 13" ½" - 13"

Attachment ISO Fix II Twin Pack ISO Stick Spray R Twin Jet

12" o.c. 12" o.c. 12" o.c. 12" o.c. 12" o.c.


1.5" - 8" 1.5" - 8" ½" - 13" ½" - 13"


Vapor Retarder Optional: V-Force and Primer or SBS Torch

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Required: 4 or 6 mil poly


Concrete Deck – Gypsum Cover Board (Adhered) – ISO (Adhered) 105 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive or PVC LVOC Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 474232-0-0

Slope: 4"

Uplift: 105 psf

Internal Fire: NC

External Fire: A

Hail: SH


Attachment I.S.O. Spray R I.S.O. Twin Pack I.S.O. Stick Twin Jet

12" o.c. beads


1" - 36" 1" - 36" ½" - 13" ½" - 13"

Attachment I.S.O. Spray R I.S.O. Twin Pack I.S.O. Stick I.S.O. Twin Pack

12" o.c. beads


495 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Waterbased Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 473857-0-0

Slope: 4"

Uplift: 495 psf

Internal Fire: NC

External Fire: A

Hail: SH


Attachment 4" o.c. beads of I.S.O. Spray R


1" - 36" ½" - 13"



525 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Waterbased Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 473865-0-0

Slope: 4"

Uplift: 525 psf

Internal Fire: NC

External Fire: A

Hail: SH


Attachment I.S.O. Fix II I.S.O. Spray R I.S.O. Twin Pack I.S.O. Stick Twin Jet

12" o.c. beads


1" - 36" 1" - 36" ½" - 13" ½" - 13"

Attachment I.S.O. Fix II I.S.O. Spray R I.S.O. Twin Pack I.S.O. Stick I.S.O. Twin Pack

12" o.c. beads

Primer Concrete Primer, Asphaltic


Concrete Deck – ISOGARD HD/ISOGARD HD Composite (Adhered) – ISO (Adhered) 105 PSF Membrane: Firestone PVC (50, 60 or 80 mil) (Unless otherwise noted.) Attachment: PVC Bonding Adhesive or PVC LVOC Bonding Adhesive (Unless otherwise noted.)

RoofNav #: 472930-0-0

Cover Board

ISOGARD HD ISOGARD HD Composite

½" 1" min.

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Slope: 1.25"

Uplift: 105 psf

Internal Fire: NC

External Fire: A

Hail: SH



1" - 36" 1" - 36" ½" - 13" ½" - 13"



RoofNav #: See Adhesive

Slope: 1.25"

Uplift: 105 psf

Internal Fire: NC

External Fire: A

Hail: SH


½" 1" min.

Attachment

I.S.O. Twin Pack I.S.O. Stick Twin Jet

473374-0-0 473376-0-0 473376-0-0

12" o.c. beads


½" - 12" ½" - 12" ½" - 13" ½" - 13"

Attachment

I.S.O. Twin Pack I.S.O. Stick Twin Jet

473374-0-0 473376-0-0 473376-0-0

12" o.c. beads


RoofNav #: 472868-0-0

Slope: 1.25"

Uplift: 105 psf

Internal Fire: NC

External Fire: A

Hail: SH


½" 1" min.

Attachment I.S.O. Stick Twin Jet

12" o.c. beads


1.5" - 36" ½" - 13"

Attachment I.S.O. Stick Twin Jet

12" o.c. beads


Firestone PVC XR – Adhered Membrane Concrete Deck – Gypsum Cover Board (Adhered) – ISO (Adhered) 165 PSF Membrane: Firestone PVC XR (60 or 80 mil) (Unless otherwise noted.)

RoofNav #: 478570-0-0

Slope: 1.75"

Uplift: 165 psf

Internal Fire: NC

External Fire: A

Hail: SH

Membrane Adhesive

I.S.O. Spray R Twin Jet XR Stick

12" o.c. beads


¼" min. ¼" min.


12" o.c. beads


1.5" - 36" ½" - 13"


12" o.c. beads

Vapor Retarder V-Force and Primer


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525 PSF Membrane: Firestone PVC XR (60 or 80 mil) (Unless otherwise noted.)

RoofNav #: 478561-0-0

Slope: 1.75"

Uplift: 525 psf

Internal Fire: NC

External Fire: A

Hail: SH

Membrane Adhesive

I.S.O. Spray R PVC WBBA Twin Jet XR Stick

4" FC FC / 4" o.c. beads 4


¼" min. ¼" min.


12" o.c. beads


1.5" - 36" ½" - 13"


12" o.c. beads

Vapor Retarder V-Force and Primer


Re-Cover - Concrete Deck – ISOGARD HD (Adhered) 90 PSF Membrane: Firestone PVC XR (60 or 80 mil) (Unless otherwise noted.) Attachment: I.S.O. Spray R, Twin Jet or XR Stick Membrane Adhesive (Unless otherwise noted.)

RoofNav #: 476665-0-0

Slope: 1"

Uplift: 90 psf

Internal Fire: NC

External Fire: A

Hail: SH

Insulation ½" ISOGARD HD

Attachment

I.S.O. Fix II I.S.O. Spray R I.S.O. Twin Pack I.S.O. Stick Twin Jet

12" o.c. beads

Deck Existing Cover/Insulation

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- 13

816

32X

XX

XX

128

60.

5 H

DX

1212

12

4797

20-0

-01

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5 -

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1.5

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1 -

42.

3 -

132.

3 -

132.

3 -

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3 -

1316

2432

XX

XX

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86

0.5

HD

1 H

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omp

XX

12S

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4797

33-0

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R1.

5 -

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5 -

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3 -

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3 -

1316

2432

XX

XX

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86

0.5

HD

1 H

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omp

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12

4795

63-0

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32X

XX

XX

0.5

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5 -

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2.3

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128

60.

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4795

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5 -

41

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2.3

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128

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HD

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4

4797

78-0

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XX

XX

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32X

XX

XX

0.5

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5 -

9.8

2.3

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2.3

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128

60.

25 D

DP

0.25

Sec

XX

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4798

11-0

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41.

5 -

42.

3 -

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XX

XX

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ver

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TE

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RT

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S O

F T

HE

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SE

MB

LIE

S L

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ED

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LO

W S

HO

UL

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E V

ER

IFE

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N T

HE

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OF

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RO

GR

AM

. N

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AL

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NF

OR

MA

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AS

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EN

PR

OV

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TH

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ase

ISO

A

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hm

ent

Insu

lati

on

Ad

hes

ive

2nd

Lay

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in. T

hic

k.

No

tes/

Co

mm

ents

:

Poly


Thermal Barrier

ISO 95+ GL

Resista

ISO Fix

Insu

lati

on

/ C

ov

er B

oar

d

Co

ver

Bo

ard

Mem

bra

ne

Bo

nd

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Field

Perimeter

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Corner

PVC

ISO Spray

Twin Pack

ISO Stick

TwinJet

ISO 95+ GL

Resista

XR Stick

90 P

SF

PVC XR

PVC BA

PVC LVOC BA

PVC WBBA

I.S.O. Spray R

Twin Jet

ISOGARD GL

ISOGARD CG

Field

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4799

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XX

XX

0.5

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5 -

9.8

2.3

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2.3

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128

60.

25 D

DP

0.25

Sec

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4805

65-0

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75R

1.5

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1.5

- 4

2.3

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2.3

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32X

XX

XX

0.5

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0.5

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2.3

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2.3

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128

60.

25 D

DP

0.25

Sec

XX

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4696

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3 -

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3 -

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XX

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4799

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32X

XX

XX

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4799

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XX

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021

4862

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4862

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4861

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Thermal Barrier

ISO 95+ GL

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021

4882

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HD Plate and Fastener

HD Plus Plate and Fastener

PVC

PVC KEE

Poly


Thermal Barrier

ISO 95+ GL

Resista

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4898

65-

0-0

2R

1.5

- 24

2.3

- 13

0.5

Str

ucto

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60/1

2X

Pre

-Sec

urem

ent R

equi

red

4898

75-

0-0

2R

1.5

- 24

2.3

- 13

0.5

Str

ucto

dek

6/B

oard

X

4882

33-

0-0

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O*

1.5

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2.3

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0.5

Str

ucto

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oard

X*O

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n fo

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SA

4873

89-

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5O

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1.5

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2.3

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0.25

DD

/DD

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Boa

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ion

for

Bas

egar

d S

A

4880

38-

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5O

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1.5

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2.3

- 13

0.25

DD

/DD

P/S

ec60

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XP

re-S

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d*O

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n fo

r B

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ard

SA

4897

70-

0-0

5R

1.5

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2.3

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0.25

DD

/DD

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ec6/

Boa

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4893

11-

0-0

1O

1.5

- 12

1.5

- 9.

51.

5 -

121.

5 -

9.5

2.3

- 13

2.3

- 13

2.3

- 13

2.3

- 13

66/6

XP

re-S

ecur

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t Req

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dS

econ

d la

yer

of IS

O is

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iona

l

4895

18-

0-0

1R

1.5

- 12

1.5

- 12

2.3

- 13

2.3

- 13

66/6

XP

re-S

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emen

t Req

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d

4893

12-

0-0

1.25

O1.

5 -

9.5

1.5

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52.

3 -

132.

3 -

131.

5 -

4 H

D C

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66/6

XP

re-S

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dS

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d la

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of IS

O is

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l

4895

25-

0-0

1.25

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5 -

121.

5 -

122.

3 -

132.

3 -

130.

5 IS

OG

AR

D H

D66

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Pre

-Sec

urem

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4895

24-

0-0

2R

1.5

- 12

1.5

- 12

2.3

- 13

2.3

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0.5

Str

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66/6

XP

re-S

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d

4893

17-

0-0

2O

1.5

- 4

1.5

- 8

1.5

- 4

1.5

- 8

2.3

- 13

2.3

- 13

2.3

- 13

2.3

- 13

0.5

Str

ucto

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66/6

XP

re-S

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d

4893

19-

0-0

5O

1.5

- 4

1.5

- 8

1.5

- 4

1.5

- 8

2.3

- 13

2.3

- 13

2.3

- 13

2.3

- 13

0.25

DD

/Sec

66/6

XP

re-S

ecur

emen

t Req

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d

4895

26-

0-0

5R

1.5

- 12

1.5

- 12

2.3

- 13

2.3

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0.25

DD

/Sec

66/6

XP

re-S

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d

4893

11-

0-0

1O

1.5

- 12

1.5

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51.

5 -

121.

5 -

9.5

2.3

- 13

2.3

- 13

2.3

- 13

2.3

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60/6

XP

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dS

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d la

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of IS

O is

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l

4894

96-

0-0

1R

1.5

- 12

1.5

- 12

2.3

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2.3

- 13

60/6

XP

re-S

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d

4892

98-

0-0

1.25

O1.

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9.5

1.5

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52.

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3 -

131.

5 -

4 H

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66/6

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4893

04-

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1.25

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81.

5 -

41.

5 -

82.

3 -

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3 -

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3 -

132.

3 -

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5 IS

OG

AR

D H

D60

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Pre

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4895

03-

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1.25

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5 -

122.

3 -

132.

3 -

130.

5 IS

OG

AR

D H

D60

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Pre

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4897

78-

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3 -

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5 IS

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AR

D H

D24

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X

4893

03-

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1.5

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1.5

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1.5

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1.5

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2.3

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2.3

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2.3

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2.3

- 13

0.5

Str

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60/6

XP

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d

4895

02-

0-0

2R

1.5

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1.5

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2.3

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2.3

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0.5

Str

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60/6

XP

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d

4891

38-

0-0

2O

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1.5

- 12

2.3

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0.5

Str

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4899

07-

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2.3

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0.5

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24/2

4X

105

PS

F

120

PS

F

4893

05-

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1.5

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1.5

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1.5

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2.3

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2.3

- 13

2.3

- 13

2.3

- 13

0.25

DD

/Sec

60/6

XP

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t Req

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d

4875

18-

0-0

5O

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X*O

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SA

4895

04-

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5R

1.5

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2.3

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0.25

DD

/Sec

60/6

XP

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d

4897

80-

0-0

5R

1.5

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2.3

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0.25

DD

/DD

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X

4892

83-

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1.5

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1.5

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51.

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9.5

2.3

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48/6

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4893

63-

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1.5

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2.3

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48/6

XP

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d

4892

84-

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4892

90-

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5 -

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5 -

82.

3 -

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3 -

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3 -

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5 IS

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D H

D48

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Pre

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4893

70-

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3 -

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D H

D48

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Pre

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4892

89-

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1.5

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1.5

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1.5

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2.3

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2.3

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2.3

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2.3

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0.5

Str

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48/6

XP

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d

4893

69-

0-0

2R

1.5

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1.5

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2.3

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2.3

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0.5

Str

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48/6

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4892

91-

0-0

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1.5

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1.5

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1.5

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1.5

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2.3

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2.3

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2.3

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2.3

- 13

0.25

DD

/Sec

48/6

XP

re-S

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d

4892

49-

0-0

5O

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1.5

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1.5

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2.3

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DD

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X*O

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4899

26-

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DD

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X

4893

71-

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1.5

- 12

1.5

- 12

2.3

- 13

2.3

- 13

0.25

DD

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48/6

XP

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d

4891

16-

0-0

1.25

OO

1.5

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1.5

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2.3

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2.3

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0.5

ISO

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4899

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5 IS

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D H

D12

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Pre

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4891

12-

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Pre

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4898

99-

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1.5

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0.5

Str

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4874

86-

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0.25

DD

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for

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A

4898

77-

0-0

5R

1.5

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DD

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4892

77-

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1O

1.5

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1.5

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51.

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5 -

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2.3

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2.3

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2.3

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36/6

XP

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4893

41-

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1.5

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2.3

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2.3

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36/6

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135

PS

F

150

PS

F

165

PS

F

4892

81-

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9.5

1.5

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52.

3 -

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4 H

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36/6

XP

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O is

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4892

70-

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5 -

81.

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41.

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82.

3 -

132.

3 -

132.

3 -

132.

3 -

130.

5 IS

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D H

D36

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Pre

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red

4893

48-

0-0

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5 -

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3 -

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3 -

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5 IS

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AR

D H

D36

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Pre

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4892

69-

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1.5

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1.5

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1.5

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1.5

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2.3

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2.3

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2.3

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0.5

Str

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36/6

XP

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d

4893

47-

0-0

2R

1.5

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1.5

- 12

2.3

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2.3

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0.5

Str

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36/6

XP

re-S

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d

4892

71-

0-0

5O

1.5

- 4

1.5

- 8

1.5

- 4

1.5

- 8

2.3

- 13

2.3

- 13

2.3

- 13

2.3

- 13

0.25

DD

/Sec

36/6

XP

re-S

ecur

emen

t Req

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d

4893

49-

0-0

5R

1.5

- 12

2.3

- 13

0.25

DD

/Sec

36/6

XP

re-S

ecur

emen

t Req

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d

Documents

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