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FIRE & SOUND MANUAL
DISCLAIMER: For complete assembly information for a specific fire design, click on the UL number or visit Underwriters’ Laboratories website. While the assemblies of the sound tests were constructed to best represent the most commonly built version of the UL fire design, some variances in construction may have occurred (i.e. within a particular UL rating there can be the allowances for different joist spacing and joist depths, different thicknesses and types of insulation or even no insulation, different types of channel, etc). The sound tests are a representation of what can be expected for sound control ratings when building a floor/ceiling assembly with a specific floor joist assembly that relates to a UL fire design using the designated sound control mat. However, due to the many variables beyond our control (for example quality control of drywall installation, type of resilient channel, density and selection of other building materials, flanking paths, etc.), the sound tests in this resource should not be considered a guarantee of performance. For this same reasoning and the fact that the sound tests were run in different buildings, different laboratories, and different environments, this data can be used for comparison and design evaluation but should not be considered a guarantee of performance. All acoustical testing was done by Architectural Testing; Riverbank Testing Laboratories; Intest, Inc.; Intertek Laboratories; Twin City Testing Corporation; D.L. Adams Associates, L.T.D.; Veneklasen Associates; Maxxon R&D Sound Chamber; NGC Testing Services; AV Group or JGL Acoustics. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
NOTE REGARDING CANADIAN PROJECTS: Canada accepts all UL Fire Designs listed in this manual. For additional information on Canadian Fire Designs, refer to page 12.
ARCHITECT VERSION
11.16
1-800-356-78872
PARALLEL CHORD TRUSS1 HOUR FIRE DESIGNS
Min. Truss Depth per UL Insulation
Resilient Channel Drywall
Min.Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire
RatingsSTC IIC Test Number
12" Yes Yes5/8"
(16 mm)
3/4"(19 mm)
None Carpet & Pad57 STC TL85-382
L528 L546 L563L574 L576 L579 L592 M508
ICC ESR # 2540UL ER # 8477-01
73 IIC IN85-38
Acousti-Mat INone
56 A-STC A1176.13-201-10
50 F-IIC A1176.11-201-10
Vinyl 51 F-IIC A1176.12-201-10
1"(25 mm)
Acousti-Mat II
None 59 F-STC 22613-1STC
Tile 51 F-IIC F13-127
Vinyl Plank 52 F-IIC F13-126
Acousti-Mat II HP
None 61 F-STC 22613-2STC
Tile 54 F-IIC F13-129
Vinyl Plank 54 F-IIC F13-128
Enkasonic
None 62 F-STC 22613-4STC
Carpet & Pad 83 F-IIC 4141 87-729-13
Tile 54 F-IIC F13-131
Vinyl 54 F-IIC F13-130
Enkasonic HP
None 62 F-STC 22613-5STC
Tile 58 F-IIC F13-133
Vinyl Plank 59 F-IIC F13-132
18" Yes Yes5/8"
(16 mm)
3/4"(19 mm)
Acousti-Mat LPR
None 60 F-STC A1176.05-201-10
L528 L546 L558 L562 L563 L574 L576 L579 L585 L592 M503 M508
ICC ESR # 2540UL ER # 8477-01
Tile 52 F-IIC A1176.03-201-10
Vinyl 50 F-IIC A1176.02-201-10
Engineered Wood 56 F-IIC A1176.04-201-10
Acousti-Mat I
None 54 A-STC A8745.04-201-10
Vinyl 50 F-IIC A8745.06-201-10
Ceramic Tile 50 F-IIC A8745.07-201-10
Floating Laminate Wood Floor 50 F-IIC A8745.08-201-10
1"(25 mm)
Acousti-Mat II
None 60 A-STC 30160-08-90744-11
Vinyl 53 F-IIC 30160-08-90744-3
Laminate Wood 55 F-IIC 30160-08-90744-4
Tile 54 F-IIC 30160-08-90744-6
VCT 52 F-IIC 30160-08-90744-7
Enkasonic
Quarry Tile 58 STC NGC 5004024
Quarry Tile 59 IIC NGC 7004083
Vinyl 55 IIC NGC 7004073
Floating Wood 57 IIC NGC 7004082
Glue Down Wood 57 IIC NGC 7004081
1-1/2"(38 mm)
Acousti-Mat 3
Tile 58 STC NGC 5005006
Tile 60 IIC NGC 7005014
Oak Wood 58 IIC NGC 7005012
Vinyl 58 IIC NGC 7005011
Other Parallel Chord Truss ULs: For special assemblies and other burn ratings including 2 hr designs, additional Parallel Chord Truss UL Fire Ratings exist. Refer to pages 11 & 12 for a list of these assemblies. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
www.MaxxonCorporation.com 3
1 HOUR FIRE DESIGNSI-JOIST
Min. Truss Depth per UL Insulation
Resilient Channel Drywall
Min.Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire
RatingsSTC IIC Test Number
9-1/2" Yes Yes
5/8" (16 mm)
1"(25 mm)
Acousti-Mat II
None 58 STC NGC 5012050
L571ICC ESR # 2540ICC ESR # 1153
UL ER # 8477-01
Ceramic Tile 52 F-IIC 1801 99 1736.4
Vinyl 53 F-IIC 1801 99 1736.3
Cushioned Vinyl 53 F-IIC NGC 7012109
Acousti-Mat II HPNone 61 STC NGC 5012072
Luxury Vinyl Plank 57 IIC NGC7012145
2 layers 1/2" or 5/8"
(2 x 13 or 16 mm)
3/4"(19 mm)
None Carpet & Pad58 STC TL96-250
L570 L589 M502
ICC ESR # 1141 ICC ESR # 1153 ICC ESR # 2540
WH # J20050694UL ER # 8477-01
70 IIC IN86-6
Acousti-Mat LPR
None 57 A-STC 35-09-3
Ceramic Tile 49 F-IIC 35-09-1a
Vinyl Plank 47 F-IIC 35-09-1c
Acousti-Mat I
None 58 F-STC 27-11-3
Tile 53 F-IIC 27-11-1
Vinyl Plank 52 F-IIC 27-11-2
1"(25 mm)
Acousti-Mat II Tile60 F-STC 48-06-6
52 F-IIC 48-06-5
Enkasonic Tile57 F-STC 48-06-2
56 F-IIC 48-06-1
1-1/2"38 mm)
Acousti-Mat 3 Tile59 F-STC 48-06-4
58 F-IIC 48-06-3
Other I-Joist ULs: For special assemblies and other burn ratings, additional I-Joist UL Fire Ratings exist. Refer to page 12 for a list of these assemblies. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1-800-356-78874
Min. Truss Depth per UL Insulation
Resilient Channel Drywall Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
10" Yes Yes5/8"
(16 mm)
3/4"– 1"*
(19 mm – 25 mm)None Carpet & Pad 79 F-IIC 5-761-2
L502 L513L515 L516 L520 L533 L545 L569 L593M514M518M519
ICC ESR # 2450UL ER # 8477-01
3/4" (19 mm)
Acousti-Mat I Tile52 STC 100336557CRT-001i
50 IIC 100336557CRT-001s
1"(25 mm)
Acousti-Mat II
None 60 STC D8457.23-113-11-RO
Tile 50 IIC 100336557CRT-001k
Vinyl Plank 53 IIC 100336557CRT-001n
Floating Wood 53 IIC 100336557CRT-001l
Vinyl 52 IIC 100336557CRT-001m
Enkasonic Ceramic Tile59 STC TL88-110
57 IIC IN88-2
* Depending on UL Fire Design, sound tests were on 3/4", so ratings can apply to both depths.Other 2x10 ULs: For special assemblies and other burn ratings including 2 hr designs, additional 2x10 Wood Joist UL Fire Ratings exist. Refer to pages 11 & 12 for a list of these assemblies. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system for your project, contact your Maxxon Regional Representative at (800) 356-7887.
2X10 WOOD JOIST
OLD TIMBER
Truss/Joists InsulationResilient Channel Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound Rating
STC IIC Test Number
Dimensional Lumber
No No n/a
n/a None None30 F-STC 3018 02 31573.7
33 F-IIC 3018 02 31573.5
1-1/2" (38 mm)
Acousti-Mat 3
Quarry Tile 47 F-STC 3018 02 31573.6
Mannington Engineered Wood Floor Over Quiet Walk Pad
52 F-IIC 3018 02 31573.4
Vinyl 46 F-IIC 3018 02 31573.3
Acousti-Mat 3 & Acousti-Mat
Cementitious Overlayment 52 F-STC 51 F-IIC 30160-04-62432
2" concrete (51 mm)
Acousti-Mat 3 HP Exposed Concrete 47 F-IIC D7299.02-201-10
1 HOUR FIRE DESIGNS
www.MaxxonCorporation.com 5
The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system for your project, contact your Maxxon Regional Representative at (800) 356-7887.
CLT (CROSS LAMINATED TIMBER)
CLT InsulationResilient Channel Ceiling
Min. Topping Depth Sound Mat Floor Covering
Sound Rating Maxxon UL Fire RatingsSTC IIC Test Number
7"31⁄2" Batt Insulation
Yes
Suspended Ceiling
w/ 5/8" Drywall
3/4" Acousti-Mat I
LVT 54 F-STC F1177.02-201-10
M533Carpet and Pad 54 F-STC F1177.02-201-10
LVT 56 F-IIC F1177.03-201-10
Carpet and Pad 74 F-IIC F1177.04-201-10
CLT InsulationResilient Channel Ceiling Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound Rating Maxxon UL Fire RatingsSTC IIC Test Number
7" No No No No 3/4" Acousti-Mat INone 45 F-STC FP Innovations
L901None 36 F-IIC FP Innovations
CLT InsulationResilient Channel Ceiling Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound Rating Maxxon UL Fire RatingsSTC IIC Test Number
77"7 No No No No None No None 39 F-STC 22 F-IIC 301006866 L901
1-800-356-78876
STEEL JOIST/PLYWOOD SUBFLOOR
Subfloor InsulationResilient Channel Drywall Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
3/4" T&G Plywood
Yes Yes
5/8" (16 mm)
3/4"(19 mm)
NoneCarpet & Pad
51 F-STC 4140 94-2168.1
L564 L565L567 M507 M513
73 F-IIC 4140 94-2168.2
Vinyl Tile 49 F-IIC 4140 94-2278
1"(25 mm)
Acousti-Mat I
None 58 F-STC CRA-iSpan
Wood 54 F-IIC CRA-iSpan
Tile 49 F-IIC CRA-iSpan
Vinyl 53 F-IIC CRA-iSpan
Acousti-Mat II
None 59 F-STC CRA-iSpan
Wood 53 F-IIC CRA-iSpan
Tile 49 F-IIC CRA-iSpan
Vinyl 52 F-IIC CRA-iSpan
Enkasonic Ceramic Tile 55 F-IIC FIIC 02-34-9
1-1/2"(38 mm)
Acousti-Mat 3
Ceramic Tile 57 F-IIC FIIC 04-22-1
Vinyl 57 F-IIC FIIC 04-22-2
Wood 58 F-IIC FIIC 04-22-3
2 layers 5/8" (2 x 16 mm)
1"(25 mm)
Acousti-Mat IITile 56 F-IIC 06-24-1
Carpet & Pad 71 F-IIC 06-24-2
The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1 HOUR FIRE DESIGNS
COMPOSITE STEEL/ CONCRETE FLOOR CEILING ASSEMBLIES
Concrete Depth Insulation Ceiling Drywall Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
31⁄2" Concrete over Steel
Deck
NoHat Channel Attached to
Joist
5/8" (16 mm)
None None None 57 STC 28 IIC TL 01-213, IN 01-8
G561
21⁄2" Lightweight over Steel
Deck
Yes
Wire Hung Grid 161⁄2" Airspace Deck to Ceiling
5/8" (16 mm)
2"
Enkasonic HP Eng Wood on Ecore 4010 70 F-STC 66 F-IIC F14-889, -888
Enkasonic HP Carpet and Pad 70 F-STC 77 F-IIC F14-893, -890
Enkasonic HP Tile on Ecore 4010 69 F-STC 65 F-IIC F14-895, -894
3" Concrete over 9/16" Corrugated Steel Deck
Wire Hung Grid 171⁄2" Airspace Deck to Ceiling
5/8" (16 mm)Drywall
None None None 55 STC 47 IIC 3193995CRT-001.8
None Acousti-Mat LP Eng Wood 55 STC 64 IIC 3193995CRT-001.5
5/8" (16 mm) Ceiling Tile
None Acousti-Mat LP Eng Wood 54 STC 62 IIC 3193995CRT-001.28
21⁄2" Lightweight Concrete over Steel
Deck
Wire Hung Grid 34" Airspace Deck to Ceiling
5/8" (16 mm)
None Acousti-Mat LP Tile 66 F-IIC NAC Centerpoint
D5023/8" Acousti-Mat LP Eng Wood 64 F-IIC NAC Centerpoint
1" Acousti-Mat II Eng Wood 64 F-IIC NAC Centerpoint
www.MaxxonCorporation.com 7
STEEL JOIST/CORRUGATED STEEL DECK
Subfloor InsulationResilient Channel Suspended Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
Corrugated Steel Deck
Yes Yes No
5/8" (16 mm)
9/16" (14 mm) to top of flutes, 1" (25 mm)
over top of flutes
None Carpet & Pad56 STC NGC 5008011
G551* G553* G560* G563* G566* G574*G587G592G597H502 M511
ICC ESR # 2540*UL ER # 8477-01*
65 IIC NGC 7008011
Acousti-Mat LPR Ceramic Tile57 STC NGC 7008010
51 IIC NGC 7008019
9/16" (14 mm) to top of flutes, 1" (25 mm)
over top of flutes
Acousti-Mat II
None 60 F-STC AO429.15-201-10
VCT 57 F-IIC A0429.03-201-10
None 60 F-STC A0429.14-201-10
VCT 56 F-IIC A0429.02-201-10
2 layers 5/8" (2 x 16 mm)
None 60 F-STC A0429.13-201-10
VCT 56 F-IIC A0429.01-201-10
1-1/2"(38 mm)
Acousti-Mat SD
None 59 F-STC A1472.16-201-10
VCT 49 F-IIC A1472.01-201-10
Floating Wood 57 F-IIC A1472.10-201-10
Ceramic Tile 51 F-IIC A1472.07-201-10
Vinyl 55 F-IIC A1472.04-201-10
Carpet & Pad 83 F-IIC A1472.13-201-10
Yes Yes No
5/8" (16 mm)
None 57 F-STC A1472.17-201-10
VCT 48 F-IIC A1472.02-201-10
Floating Wood 55 F-IIC A1472.11-201-10
Ceramic Tile 51 F-IIC A1472.08-201-10
Vinyl 52 F-IIC A1472.05-201-10
Carpet & Pad 76 IIC A1472.14-201-10
Tile 56 F-STC NGC 5008033
Tile 51 IIC NGC 7008081
Vinyl 52 IIC NGC 7008083
Yes No Yes
9/16" (14 mm) to top of flutes, 1" (25 mm)
over top of flutes
Acousti-Mat II
None 61 F-STC AO429.15-201-10
VCT 57 F-IIC AO429.03-201-10
1-1/2"(38 mm)
Acousti-Mat SD
None 57 F-STC A1472.18-201-10
VCT 51 F-IIC A1472.03-201-10
Floating Wood 54 F-IIC A1472.12-201-10
Ceramic Tile 51 F-IIC A1472.09-201-10
Vinyl 53 F-IIC A1472.06-201-10
Carpet & Pad 73 F-IIC A1472.15-201-10
* See UL for specific design detail difference between ratings. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1 AND 2 HOUR FIRE DESIGNS
1-800-356-78878
HAMBRO SYSTEMS
Subfloor Insulation Drywall Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
Hambro No1/2"
(13 mm)
None None None 32 IIC NGC 7005048
G524*1"(25 mm)
Enkasonic
Quarry Tile54 STC NGC 5004027
54 IIC NGC 7004078
Sheet Vinyl 53 IIC NGC 7004079
Floating Wood Laminate 55 IIC NGC 7004080
Engineered Hardwood 51 IIC NGC 7004084
* See UL for specific design detail difference between ratings. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1, 11⁄2, AND 2 HOUR FIRE DESIGNS
SURE-BOARD/CEMCO SYSTEM
Subfloor Insulation Ceiling Drywall Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
Sure-bond200 S
Yes No2 layers of 5/8" (16 mm)
None None None 61 STC 41 IIC 16-0201
H5031"
None Vinyl Plank 52 IIC 16-0803
None Hardwood 57 IIC 16-0804
None Vinyl 57 IIC 16-0802
None Floating Wood 60 IIC 16-0805
The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1 HOUR OR 11⁄2 HOUR FIRE DESIGNS
www.MaxxonCorporation.com 9
PRECAST CONCRETE
Concrete Depth Insulation
Resilient Channel
Suspended Ceiling Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire
RatingsSTC IIC Test Number
4" No No No None1-1/4" Mortar Bed
(32 mm)Enkasonic Marble Tile
55 STC TL90-155
J917* J919* J920* J924* J927* J931* J957* J958* J991* J994*
ICC ESR # 2540*UL ER # 8477-01*
52 IIC IN90-8
6" Yes Yes Yes5/8"
(16 mm)1"
(25 mm)Acousti-Mat II Ceramic Tile
59 STC TL98-108
57 IIC IN98-12
8"
No No No None
1/2"(13 mm)
NoneNone 58 F-STC 5-896
Carpet Direct 75 F-IIC 5-896-2
3/4"(19 mm)
Acousti-Mat LPR
Tile 55 F-IIC B2863.01-201-10
Vinyl Plank 53 F-IIC B2863.02-201-10
Engineered Wood 55 F-IIC B2863.03-201-10
Acousti-Mat I
Tile 54 F-IIC B2863.04-201-10
Vinyl Plank 56 F-IIC B2863.05-201-10
Engineered Wood 54 F-IIC B2863.06-201-10
1"(25 mm)
Acousti-Mat II
None 61 F-STC B5011.04-201-10
Tile 59 F-IIC B5011.04-201-10
Vinyl Plank 57 F-IIC B5011.04-201-10
Enkasonic
Tile 61 F-IIC B2863.07-201-10
Vinyl Plank 57 F-IIC B2863.08-201-10
Engineered Wood 61 F-IIC B2863.09-201-10
Cement Board
Ceramic Tile
59 STC TL 83-17
52 IIC IN 83-1
1-1/4" Mortar Bed (32 mm)
60 STC TL 82-166
54 IIC IN 82-12
Yes Yes Yes5/8"
(16 mm)Enkasonic
Ceramic Tile61 STC TL 82-165
62 IIC IN 82-11
Vinyl61 STC TL 82-141
67 IIC IN 82-9
2 Layers of Plywood T&G Oak Flooring60 STC TL 82-98
61 IIC IN 82-7
* See UL for specific design detail difference between ratings. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1, 2, AND 3 HOUR FIRE DESIGNS
1-800-356-788710
* See UL for specific design detail difference between ratings.** Fire Ratings over 6"+ concrete do not require gypsum concrete. The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for
your project, contact your Maxxon Regional Representative at (800) 356-7887.
CONCRETE
Concrete Depth Insulation
Resilient Channel
Suspended Ceiling Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
4" No No No None1" (25 mm) Acousti-Mat II Concrete Micro-Topping 50 F-IIC 30160 03 57761 J804*
J805*1-1/2" (38 mm) Acousti-Mat 3 Concrete Micro-Topping 59 F-IIC 30160 03 57761
8"
No No No None
n/a None None61 A-STC F07-567
n/a**
34 F-IIC F07-568
3/4" (19 mm) Acousti-Mat LPR Cementitious Overlayment 55 F-IIC F07-656
1" (25 mm)
Acousti-Mat II
Armstrong Vinyl Tile62 F-STC 18 0-0607.2
64 F-IIC 18 0-0607.5
Bruce Engineered Hardwood 60 F-IIC 18 0-0607.7
Ceramic Tile 61 F-IIC 18 0-0607.6
2-1/2” Concrete (64 mm)
None 55 F-IIC 30160 03 56381-4
1" (25 mm) Enkasonic Ceramic Tile 65 F-IIC 30160-05-72550-7
1-1/2" (38 mm)
Acousti-Mat 3
Ceramic Tile 70 F-IIC 30160-05-72550-9
2" Concrete (51 mm)
None 61 F-IIC 30160 03 56381-5
No No Yes5/8"
(16 mm)
n/a None None62 A-STC 30160-06-77973-1
42 F-IIC 30160-06-77973-1
1/2" (13 mm)
Acousti-Mat LP
None 57 F-IIC 30160-06-77973-1
Glue Down 3/4" Wood 60 F-IIC 30160-06-77870
Ceramic Tile 54 F-IIC 30160-06-77870
No No Yes 5/8"
1" (25 mm)
Acousti-Mat II Tile 60 F-IIC 30160-05-67282-2
Enkasonic Tile 66 F-IIC 30160-05-67282-1
1-1/2" (38 mm) Acousti-Mat 3 Tile 74 F-IIC 30160-05-67282-3
1, 2, AND 3 HOUR FIRE DESIGNS
www.MaxxonCorporation.com 11
2 HOUR WOOD FRAME FIRE DESIGNSPARALLEL CHORD TRUSS
I-JOIST
Canada also accepts all UL Fire Designs listed in this manual.Min Truss
Depth per UL InsulationDrywall Direct
to Joist Resilient Channel Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
12" Yes5/8"
(16 mm)Yes
2 Layers 5/8"
(2x16 mm)
1-1/2" (38 mm)
Acousti-Mat 3 None 59 F-STC 121114-1STC
L577Acousti-Mat 3 Tile 53 F-IIC 12214-4
Acousti-Mat 3 Vinyl Plank 53 F-IIC 12214-5
Min Truss Depth per UL Insulation
Drywall Direct to Joist
Resilient Channel Drywall
Min. Topping Depth Sound Mat Floor Covering
Sound RatingMaxxon UL Fire RatingsSTC IIC Test Number
9-1/2" Yes5/8"
(16 mm)Yes
2 Layers 5/8"
(2x16 mm)
1"(25 mm)
Enkasonic HP None 56 F-STC 121114- 2STC
ICC ESR # 1153Enkasonic HP Tile 48 F-IIC 12214-1
Enkasonic HP Vinyl Plank 48 F-IIC 12214-2
The sound tests above are examples of the many sound tests we have on file. Please refer to the disclaimer on the cover of this guide. For assistance determining the right system and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
1-800-356-788712
For more info: 800-356-7887 • Email: [email protected] www.MaxxonCorporation.com
Another superior product from: Maxxon® Corporation • 920 Hamel Road • P.O. Box 253 Hamel, MN 55340 USA • 763-478-9600 • Fax: 763-478-2431
© 2016 Maxxon Corporation. All Rights Reserved. Gyp-Crete, Gyp-Crete 2000/3.2K, Dura-Cap, Commercial Topping, Therma-Floor, Level-Right, Acousti-Mat and associated logos are registered trademarks of Maxxon Corporation, Hamel, MN, USA. TJI Joists are manufactured by and are registered trademarks of Trus Joist MacMillan. Thermafiber, Sheetrock and Firecode C are trademarks of US Gypsum Company. Enkasonic is a trademark of Bonar. SpaceJoist is a registered trademark of Truswal Systems Corporation. TotalJoist by iSpan is a trademark of Genesis TP. Printed in the USA. #82005, TA500-7838, 11/16.
MADE IN THE USA
Underwriters Laboratories Inc.® Listed
For assistance determining the right systems and UL Fire Rating for your project, contact your Maxxon Regional Representative at (800) 356-7887.
Canada also accepts all UL Fire Designs listed in this manual. For verification of a UL Fire Design for Canada, refer to the UL Environment document CCOX7.R8477 “Floor- and Roof-topping Mixtures Certified for Canada”, which can be obtained by contacting your Maxxon Regional Representative or at www.ul.com.
MISCELLANEOUS UL FIRE DESIGNSPARALLEL CHORD TRUSS
2X10
I-JOIST
STEEL JOIST
UL # Unique Assembly Details
L529 Suspended Ceiling
L542 Furring Channels/Drywall Screwed Direct
L556 2HR/4 Layers of Drywall
L577 2HR/3 Layers of Drywall
L581 Kinetics ICW Clip, Batt Insulation, 2 Layers 5/8" Gypsum Board
L583 Kinetics Isomax Clip, Batt Insulation, 2 Layers of 5/8" Gypsum Board
M500 3+ Layers of Drywall
M510 3 Layers of Drywall - 1 Layer Screwed Direct
UL # Steel Joist Manufacturer
G230 2HR/Midcon MetalEdge concrete T&G plank
G516 2HR/Midcon MetalEdge concrete T&G plank
G592 1, 2HR/Plycem Board
H502 1, 11⁄2, 2HR/Plycem Board
UL # Unique Assembly Details
L518 TJL®/Resilient Channel
L530 TJI® /Simpson Strong Clips
L538 2HR/3 Layers of Drywall
L547 TJI®/Resilient Channel
L556 Wilamette I Beam Truss/4 Layers of Drywall
L581 Kinetics ICW Clip, Batt Insulation, 2 Layers 5/8" Gypsum Board
L583 Kinetics Isomax Clip, Batt Insulation, 2 Layers of 5/8" Gypsum Board
UL # Unique Assembly Details
M504 0.75 HR/Drywall Screwed Direct
M514 Sound Break Gypsum Board from National Gypsum
L581 Kinetics ICW Clip, Batt Insulation, 2 Layers 5/8" Gypsum Board
L583 Kinetics Isomax Clip, Batt Insulation, 2 Layers of 5/8" Gypsum Board
# Hour Rating Type of Construction
I530 1.5, 2 TotalJoist by iSPAN®
L003 1 2" x 10" Wood Joist
L201 1 2" x 10" Wood Joist
L511 2 2" x 10" Wood Joist
L512 1 2" x 10" Wood Joist (Commercial Construction Only)
M500 1 2" x 10" Wood Joist
M501 1 2" x 10" Wood Joist
M503 2 2" x 10" Wood Joist
M514 2 Parallel Chord Truss or Steel Frame
M520 1 TotalJoist by iSPAN®
M521 1 TotalJoist by iSPAN®
ULC DESIGN