INSTALLATION GUIDE - 5 Star Timbers · PDF filemachined 19mm thick fibre cement decking boards with a specifically ... This Installation Guide covers the use of the ... 10mm gap between

INSTALLATION GUIDE

AUSTRALIA MAY 2015

2326-04_JH_HardieDeck_Installation Guide Cover_UNCOATED_1A.indd 2 12/05/2015 11:53 am

2 HARDIEDECKTM SYSTEM INSTALLATION GUIDE MAY 2015

1 INTRODUCTION

HardieDeckTM system provides a highly durable low maintenance deck, with a modern contemporary appearance. It combines specially machined 19mm thick fibre cement decking boards with a specifically designed aluminium fast track system that provides the concealed fastening mechanism.

The jointing system consists of an anodised aluminium base jointer which is screwed to the framing joists, and a powder coated snap in cover which covers the screw heads and provides a continuous contrasting line between the decking boards after the boards have been painted.

This system has two components: n HardieDeckTM system (boards, jointing system and accessories) n Coating system - supplied by others (See Section 6, Step 12, Installation)

This Installation Guide covers the use of the HardieDeckTM system in a residential deck application. It does not contain all information relevant for constructing a deck.

NOTE: HardieDeckTM system is not intended to be a watertight system. Some moisture will go through the jointers in the form of droplets.

NOTES1. Failure to install, finish or maintain this product in accordance with applicable building codes, regulations, standards and James Hardie’s written application instructions may lead to personal injury, affect system performance, violate local building codes, and void James Hardie’s product warranty.

2. All warranties, conditions, liabilities (direct, indirect or consequential) and obligations whether arising in contract, tort or otherwise other than those specified in James Hardie’s product warranty are excluded to the fullest extent allowed by law. For James Hardie’s product warranty information and disclaimers about the information in this manual, see the section at the end of this manual.

3. The builder must ensure the product meets aesthetic requirements before installation. James Hardie will not be responsible for rectifying aesthetic surface variations following installation.

4. Make sure your information is up to date. When specifying or installing James Hardie® products, ensure you have the current manual. Visit HardieDeck.com.au or call 13 83 53 for information and advice.

HARDIEDECKTM BOARDS MADE IN AUSTRALIA

FIGURE 1 OVERVIEW OF HARDIEDECKTM SYSTEM

HardieDeckTM Fascia or Slimline Edge Cap

HardieDeckTM Snap-In Top Strip

HardieDeckTM Double Winged Base Jointer

HardieDeckTM Edging Board or Finishing Board

CONTENTS

1 INTRODUCTION 2

2 COMPONENTS & ACCESSORIES 3

3 DESIGN 4 3.1 Bushfire Construction Requirements 3.2 Termite Management 3.3 Framing 3.4 Span Capacity and Loading 3.5 Fastener Durability 3.6 Fall and Drainage 3.7 Slip Resistance 3.8 Balustrade

4 DECKING LAYOUT 5

5 SAFE WORKING PRACTICES 5 Recommended safe working practices Working instructions Storage and handling

6 INSTALLATION 6

7 BUSHFIRE PRONE AREAS 10

8 CARE INSTRUCTIONS 10

9 WARRANTY 10

HARDIEDECKTM SYSTEM INSTALLATION GUIDE MAY 2015 3

TOOLS AND ACCESSORIES (SUPPLIED BY JAMES HARDIE)

ACCESSORIES DESCRIPTION

HardieBladeTM Saw Blade. 185mm diameterA poly-diamond blade for fast and clean cutting of James Hardie fibre cement. 1 each. Part No. 300660

NOT SUPPLIED BY JAMES HARDIE

James Hardie recommends the following products for use in conjunction with the HardieDeckTM

system. James Hardie does not supply these products. Please contact the component manufacturer for information on their warranties and further information on their products.

Slide Compound Mitre SawUsed for cutting decking boards.

Wet Cuttersaw

110mm Wet Saw CutterUsed for cutting decking boards.

Jigsaw

Makita B-60 Tungsten Jig Saw Blade or equivalentUsed in compatible jig saws.

Dust-reducing SawDust reducing saw with a HardieBlade®saw blade.

Vacuum Extraction with appropriate dust filter A well maitained vacuum and filter appropriate for capturing fine (respirable) dust.

Jig SawFor cutting small sections.

Cordless DrillRecommended tool for screw fixing the sheets to steel and timber framing.

Epoxy flush sealing (2 part) Countersunk head screws are flush sealed using Megapoxy P1 or Hilti CA 125. Where the temperature is below 15º use Hilti CA 273.

HARDIEDECKTM SYSTEM BOARDS

PROFILE NAME APPLICATION/USE WIDTH(MM)

EFFECTIVE COVER (MM)

LENGTH(MM)

THICKNESS(MM) MASS PART NO UNITS

DECKING BOARD

HardieDeckTM Board

Main decking board slotted in both long edges.

196 210 3000 19 19kg 404780 Each

FINISHING AND EDGING BOARDS

HardieDeckTM Edging Board

Decking board slotted in one short edge. Used for exposed edges or as a fascia board.

196 210 3000 19 19kg 404781 Each

HardieDeckTM Finishing Board

Wider Decking board with no slots. Used for breaking patterns and stair treads.

296 296 3000 19 29kg 404782 Each

HARDIEDECKTM SYSTEM EXTRUSIONS

PROFILE NAME APPLICATION/USE

LENGTH(MM)

PART NO UNITS

FAST TRACK SYSTEM

HardieDeckTM Double Winged Base Jointer

Used to join all long edges of HardieDeckTM board

3000 305841 5 per pack

HardieDeckTM Snap-In Top Strip

Snap-in cover strip for double winged base jointer.

3000 305842 5 per pack

CAPPINGS AND JOINTERS

HardieDeckTM Wingless Base Jointer

Used on HardieDeckTM board short ends to create panelised look

3000 305843 5 per pack

HardieDeckTM Fascia Edge Cap

Used to conceal deck edge with fascia board

3000 305844 Each

HardieDeckTM Slimline Edge Cap

Used to conceal deck edge with or without a fascia board

3000 305846 Each

2 SYSTEM COMPONENTS AND ACCESSORIES

CUTTING & FIXING TOOLS

TOOLS AND ACCESSORIES

PROFILE DESCRIPTION

STEEL FRAMING (CONCEAL FIX)

8-18 gauge 16mm pan head metal tek screw (min. class 3*)

STEEL FRAMING (FACE FIX)

HardieDrive™ Screw 40mm longA class 3 finish self-tapping wing-tipped screw for fastening to 0.8 to 1.8mm BMT steel frames. 1,000 per box. Part No. 305533

TIMBER FRAME (CONCEAL FIX)

8-10 gauge 25mm button head needle point screw (min. class 3*)

TIMBER FRAME (FACE FIX)

Stainless Steel 8-10 gauge, type 17,50mm long decking screw

FASTENERS See secton 3.5 for fastener durability requirements.

*for coastal areas within 1km of the coast or highly corrosive environments (eg. Swimming pools), stainless steel fasteners are highly recommended, contact screw manufacturer for a suitable BMT.


3 DESIGN

The product specifier or any other party responsible for the project must ensure that the details in this specification, including structural and flashing details, are appropriate for the intended application, and that additional detailing is performed for specific design or any areas that fall outside the scope of this specification. Additionally, all design and construction must comply with the appropriate requirements of the current National Construction Code (NCC) and any other applicable regulations and standards current at the time of construction. The designer must consider all design criteria outlined below prior to specifying HardieDeckTM system.

3.1 Bushfire Prone Area Construction

The HardieDeckTM system, (boards and accessories), is deemed non-combustible by the Building Code of Australia, and is suitable for all Bushfire Attack Levels including Flame Zones as specified in AS3959 “Construction of buildings in bushfire prone areas.” (CSIRO assessment report FCO - 3056). Please refer to bushfire prone areas section 7 for framing and design considerations.

3.2 Termite Management

HardieDeckTM boards are resistant to termite damage. Any timber used for framing must be termite-resistant, preservative-treated timber or have a termite barrier to protect the primary building elements (e.g. frame and decking, stairways and ramps to the extent not constructed using HardieDeck™ boards). Please refer to AS 3660.1 for more information and requirements.

NOTE: Where installation of a termite barrier is chosen, AS 3660.1 requires attachments to buildings, such as decks, to have a clearance greater than 25mm from the building. This allows visual inspection. (see Figure 2)

• Steel Framing Use of steel framing must be in accordance with NASH standard for residential and low rise steel framing Part 1 and the framing manufacturer’s specifications. Framing members must be in the range 0.6mm to 1.9mm BMT (base metal thickness). The steel framing must have the appropriate level of durability required to prevent corrosion.

3.4 Span Capacity & LoadingHardieDeckTM boards are structurally designed to span a maximum of 500mm joist spacing and withstand the domestic and residential activities for self-contained dwellings (Category A1) of Table 3.1 of AS/NZS 1170.1 -‘Structural design actions - Permanent, imposed and other actions’ of 1.8kN concentrated load and a UDL (Uniformly Distributed Load) of 2kPa.

3.5 Fastener DurabilityFasteners must have the appropriate level of durability required for the intended project and be fully compatible with all other materials.

James Hardie recommends a minimum Class 3 fastener for general deck applications, stainless steel for swimming pool surrounds and decks within 1km of a coastal exposure or similar corrosive environment.

3.6 Fall and DrainageIt is recommended that decks have a fall of at least 1 in 100 away from the building to facilitate drainage. Do not provide fall by packing sheets.

When no fall is provided, the designer must assess and address issues including ponding, water ingress back into the house or other water-related issues.

Flash decking to building to help manage moisture. It is recommended to provide a step of at least 50mm from the finished floor level to the building. Refer to relevant building regulations and codes which may specify a larger step down and other construction requirements.

FIGURE 3 RECOMMENDED FALL

1 in 100 min. fall recommended

3.7 Slip ResistanceIt is the designer's responsibility to determine the required slip resistance for the required application in accordance to AS 4586 and SA HB 198:2014 - 'Guide to the specification and testing of slip resistance of pedestrian surfaces'.

For decking boards installed in high slip areas e.g. swimming pools, it is recommended to use a paving paint with slip resistance aggreagate.

Please refer to the National Code of Construction (NCC) for further details on slip resistance requirements for ramps, landings and stairs.

3.8 BalustradeThe balustrade upright supports must be fixed to the structural frame and not to the HardieDeckTM system. All balustrades must conform to the requirements of the BCA.

FIGURE 2 DECK TO WALL JUNCTION

HardieDeckTM System

10mm gap between deck board and external wall

25mm gap between deck frame and external wall

3.3 Framing Floor joists must be minimum 45mm wide. In order to achieve an acceptable finish, it is neccessary for all framing to be straight. A suggested tolerance is 3-4mm over 3 meters in all directions.

• Timber Framing Use of timber framing must be in accordance with AS 1684‘Residential timber-framed construction’, and be CCA treated dry kiln timber or durable hardwood. See section 3.1 for bushfire requirements. NOTE: To help protect against moisture ingress and rot, always prime the end grain of timber members.


4 DECKING LAYOUT

HardieDeckTM boards can be laid out in variety of directions to create patterns and add design character to the building. Care is required to ensure that the span capacity of the boards is not exceeded. For example, when boards are laid at an angle other than 90O to the framing members, joists may need to be spaced closer than the nominal 450mm.

The below patterns are provided as a guide and are some examples of the designs that can be achieved with HardieDeckTM boards. For design assistance, please visit accel.com.au.

PARALLEL 90O - STANDARDHardieDeckTM boards have been designed to be installed perpendicular to the joist direction.

FIGURE 5 45O DECKING LAYOUT

WARNING - DO NOT BREATHE DUSTJames Hardie® products contain sand, a source of respirable crystalline silica which is considered by some international authorities to be a cause of cancer from some occupational sources. Breathing excessive amounts of respirable silica dust can also cause a disabling and potentially fatal lung disease called silicosis, and has been linked with other diseases. Some studies suggest smoking may increase these risks. During installation and handling:

(1) work in outdoor areas with ample ventilation; (2) minimise dust when cutting use the HardieBlade® saw blade and dustr reducing circular saw attached to a well maintained vacuum and filter appropriate for capturing fine (respirable) dust; (3) warn others in the immediate area to avoid breathing dust; (4) wear a properly-fitted, approved dust mask or respirator (e.g. P1 or P2) in accordance with applicable government regulations and manufacturer instructions to further limit respirable silica exposures

During clean-up, use appropriate, well maintained, filtered vacuums or wet cleanup methods - do not dry sweep. For further information, refer to our installation instructions and Material Safety Data Sheets (MSDS) available at jameshardie.com.au. Failure to adhere to our warnings, material safety data sheets, and installation instructions may lead to serious personal injury or death.

JAMES HARDIE RECOMMENDED SAFE WORKING PRACTICESCUTTING (OUTDOORS AND INDOORS)1.

2.3.

Position cutting station so wind will blow dust away from the user or others in working area.Position the cutting station in a well-ventilated area.Use a dust reducing circular saw equipped with HardieBlade® saw blade and well maintained vacuum and filter appropriate for capturing fine (respirable) dust.

DRILLING / OTHER MACHINING When drilling or machining you should always wear a P1 or P2 dust mask and warn others in the immediate area.

APPROPRIATE PRACTICE1. For maximum protection (lowest respirable dust production), James Hardie

recommends always using “Best” - level cutting methods where feasible.2. Do not use a power saw indoors.3. Do not use a circular saw blade that does not carry the HardieBlade logo.4. Do not dry sweep - Use wet suppression or appropriate vaccum and filter.5. Do not use grinders.6. Always follow tool manufacturers’ safety recommendations.

P1 or P2 respirators should be used in conjunction with above cutting practices to further reduce dust exposures. Additional exposure information is available at jameshardie.com.au to help you determine the most appropriate cutting method for your job requirements. If concern still exists about exposure levels or you do not comply with the above practices, you should always consult a qualified industrial hygienist or contact James Hardie for further information.

STORAGE AND HANDLINGTo avoid damage, James Hardie® building products should be storedwith edges and corners of the product protected from chipping. James Hardie building products must be installed in a dry state and protected from weather during transport and storage. The product must be laid flat under cover on a smooth level surface clear of the ground to avoid exposure to water and moisture.

5 SAFE WORKING PRACTICES

FIGURE 4 STANDARD DECKING LAYOUT

PARALLEL 45O

When installing HardieDeckTM boards diagonally by up to 45O, the joist spacing must be reduced to 300mm as indicated below.

Custom designs may be achieved by alternating orientations such as CHEVRON, HERRINGBONE and CHECKABOARD. HardieDeckTM finishing board will assist in maintaining the design integrity of the deck while adding character to the layout. Please refer to section 2 for more information on deck system components and accessories.

300mm

450mm


STEP 1 FRAME SET UPDecking boards are installed perpendicular to floor joists spaced 450mm centres apart. Alternatively, they may be installed at an angle of up to 45O

from joist direction with joists spaced 300mm apart.

Ensure flooring joists are straight and level, and have the required fall and/or moisture management to keep water away from the building.

Framing must be set out to allow for the desired layout or pattern. Please see section 3 design, for more information.

STEP 4 INSTALL SLIDING JOINTERS & BOARDSSlide base jointer into first board followed by second board. Base jointer ends may be joined off joint; however, it is recommended that adjacent jointers are staggered. Leave a 10mm gap between adjoining base jointers to facilitate water drainage.

FIGURE 7B EDGE DETAIL (OPTION 3)

Overhang board 30mm

HardieDeckTM Finishing Board face fixed at joist centres

15x15mm Aluminium drip mould (supplied by others)

10mm Class 3 (min.) needle point screw at 200mm centres

HardieDeckTM Wingless Base Jointer

OPTION 3 HardieDeckTM Finishing board overhang

FIGURE 8 INSERT SLIDE BASE JOINTER

30mm

Leave an overhang of 30mm to facilitate the fitting of the edge extrusion

6 INSTALLATION

FIGURE 6 FRAME SET UP

FIGURE 7A FIRST BOARD INSTALLED AND EDGE (OPTIONS 1 & 2)

Overhang board 30mm

OPTION 1HardieDeckTM Slimline Edge Cap

OPTION 2HardieDeckTM Fascia Edge Cap

STEP 5 FASTEN BASE JOINTERFasten base trim to every frame member.

BASE JOINTER ENDS

FIGURE 9 FASTEN BASE JOINTER

HardieDeck™ Double Winged Base Jointer

Fastener

STEP 2 PERIMETEROverhang the outside decking boards around all perimeter sides of the deck by 30mm. This will enable the fitting of the edge capping (Figure 7A) or metal angle (Figure 7B) which secures the leading edge of the boards around the perimeter of the deck.

NOTE: Engaging the wings of the base jointer into the slots of the decking boards is best done by leaving the base jointer loose until adjacent boards are engaged. Once adjacent boards are engaged, the jointer can be fastened to the joists.

STEP 3 INSTALL FIRST BOARDInstall first board at outer edge. Fix edge capping immediately.

450m

m

25mm

10mm


STEP 7 CORNER TREATMENTWhere the deck changes direction either a square joint, mitred joint or a staggered joint can be formed. All decking board joints be fully supported by the framing joists or blocking as shown in Section 4, decking layout.

Leave at least two rows between end joints in similar locations

FIGURE 10A DECKING BOARD STAGGERED BUTT JOINTS (OPTION 1)

STEP 6 DECKING BOARD ENDSOPTION 1: CONTINUOUSDecking board butt joints must occur over a joist. Decking board end joints should be tightly butted together, and staggered to ensure an acceptable appearance.

OPTION 2: SQUARE Alternatively, board joints may be lined up to create a panel layout within the deck. It must occur over a joist and be fully supported. HardieDeck™ wingless base jointer is required at board ends.

FIGURE 11B ALTERNATE SQUARE PARALLEL CORNER JOINT

Face fixed HardieDeckTM Finishing Board (optional)

NOTE: This will require joists to be parallel to the building at the change of direction

OPTION 3: BREAKER BOARDHardieDeckTM finishing board may be used to create a bolder look at the joints. It must be face fixed at a maximum of 450mm centres at each end with all edges fully supported.

HardieDeckTM Wingless Base Jointer fixed at 300mm centres

Face fixed HardieDeckTM Finishing Board at 450mm centres

FIGURE 10C DECKING BOARD BREAK-A-BOARD BUTT JOINTS (OPTION 3)

NOTE: Board short ends must be fully supported.


FIGURE 11C STAGGERED 45O CORNER JOINT

FIGURE 11A SQUARE CORNER JOINT

Face fixed HardieDeckTM finishing board (optional)

NOTE: Alternatively, the HardieDeckTM wingless jointer may be used but it will require parallel board to be face fixed at every joist

Remove f lange on the base trim facing the abutting deck boards with a circular saw or jig saw suitable for cutting metal.

FIGURE 10B DECKING BOARD SQUARED BUTT JOINTS (OPTION 2)

HardieDeckTM board ends must be face fixed on each end abutting the wingless base jointer

Fixed at 300mm spaced centres

Face Fixing required at corner

40-50mm edge clearance

40-50 mm edge clearance

CONCEALED OPTION


STEP 8 ABUTMENTSWhere the deck abuts the house, it may be necessary to “rip” the final board to width. This is best done with a wet saw as detailed in the tools section.The cut edge of the board adjacent to the house can be fastened to the joists.

FIGURE 11D MITRED CORNER JOINT


NOTE: Board short ends must be fully supported at corner junction. See section 3 for guidance on joist layout. Not recommended for Edge Detail 3, see Figure 7B.

STEP 9 PENETRATIONSWhere the boards require cutting around railing posts and other penetrations, cut out the required area with a jig saw fitted with a Makita code B-60 jig saw blade or equivalent. All cut edges must be fully supported by framing.

STEP 10 EDGE CAPPINGInstall the edge capping around the remaining uncapped perimeter of the deck and secure to the deck sub frame by nail or screw.

FIGURE 13 INSTALL EDGE CAPPING AROUND DECK PERIMETER

Overhang decking board by 30mm

HardieDeckTM Slimline or Fascia Edge Cap

FIGURE 14 EDGE CAPPING MITRED CORNER DETAIL

HardieDeckTM Slimline or Fascia Edge Cap

Mitred corner Edge Cap. It is recommended to cap the corner with a PVC or rubber cap (supplied by others) for protection of sharp corners

STEP 11 FINISHING DETAILS

FASCIA AND ENCLOSED DECKS

HardieDeckTM Decking system may be used vertically as fascias or cladding to enclose decks. It may also be used in all bushfire areas; however, Flame Zone require additional detailing, refer to section 7.

For the bottom edge of the enclosing cladding, it is recommended to use the slimline edge cap as per Figure 16. Do not extend the board to the ground and maintain a minimum of 50mm clearance.

FIGURE 12 DECK AND BUILDING EDGE TREATMENT

Solid timber pole plate

50mm clearance

10mm clearance

Selected wall cladding

Corrosion resistant flashing

FIGURE 15 FASCIA CAPPING OPTIONS

10mm gap filled with James HardieTM joint sealant

Face fixed decking screw required at 450mm centres, 40mm from the board edge


OPTION 1HardieDeck™ Fascia Edge Cap

OPTION 2HardieDeck™ Slimline Edge Cap

FIGURE 16 BOTTOM FINISHING DETAIL AND CLEARANCE


HardieDeckTM Slimline Edge Cap

10-15mm clearance

50mm min. from ground


STAIRS AND TREADS

HardieDeckTM boards may be used as stair treads and stringers to match deck design. The designer must ensure that the dimensions and layout comply with the relevant standard, code and regulations. The below figures are given as a guide and based on AS 1657-2013 Fixed platforms, walkways, stairways and ladders - Design, construction and installation.

FIGURE 17 DECK STAIR FRAMING

HardieDeckTM

decking boards

Edge support, min. 35mm wide

Cut Stringer for intermediate and edge supports. Min. 35mm wide

Max. Support Span 450mm

Solid Stringer to conceal boards and provide edge protection

Corrosion resistant bracket

Tread: 285mm to suit HardieDeckTM Finishing Board.

Riser: Nominal: 196mm to suit HardieDeckTM board (134-196mm)

NOTE: The above riser and tread dimensions consider board thickness and dimensions. The resulting riser and going must be within 115-190mm and 240-355 mm, respectively.

SURFACE COATING (STEP 12B)The deck is now ready to apply a coating system. Do not install the snap in cover strip extrusion at this time.

Apply the full paint exterior trafficable system in accordance with paint manufacturers instructions for HardieDeckTM System. It must be coated within 60 days.

In general, best results are achieved with water-based paving paints with optional slip resistance addititives.

For face fixed screws, cover the screw heads with two-part epoxy flush and sand smooth, or alternatively the screw heads may be left exposed.

Follow the application instructions from the paint or sealer manufacturer. The following brands have been tested to be compatible with the HardieDeckTM boards, and are recommended. Application instructions for these coatings on HardieDeckTM may be found on accel.com.au or HardieDeck.com.au

• White Knight Ultra Pave Quick Dry• Crommelin DiamondCoat Tintable Sealer• Haymes Quickpaving paint

Clear sealing options are available. Refer to HardieDeckTM System Clear Seal and Care Instructions for more information.

If using alternative brands, contact the manufacturer to ensure that the product is compatible with HardieDeckTM boards and is suitable for the intended application.

STEP 13After the recommended paint drying time, install snap in cover strips. Position the snap in cover strip over the base extrusion and using a wooden block, tap in to engage the base jointer.

FIGURE 20 INSTALL SNAP COVER STRIPS

'Snap'

STEP 12 COATINGSURFACE PREPARATION (STEP 12A)Prior to applying any paints or sealers, the deck surface must be cleaned and allowed to dry. Dust and dirt on the surface will affect the adhesion of surface coatings, and may result in blistering and peeling. Follow the surface preparation instructions from the paint/sealer manufacturer.

Note: Acid etching, which is commonly used in the preparation of concrete surfaces, is not recommended on HardieDeckTM board as it can damage the board surface and result in a rough appearance.

FIGURE 18 DECK STAIR - TREADS AND RISERS

HardieDeckTM Finishing board

Tread

Riser

HardieDeckTM Decking Board (may require cutting if rise is less than 175mm

Note: HardieDeckTM Finishing Board and Decking board must be face fixed with a minimum of two fasteners per support (edges and intermediates) with an edge clearance of 20mm.

Stair Nose/Edge (supplied by others)

FIGURE 19 APPLY EXTERIOR TRAFFICABLE PAINT SYSTEM

Note: Ensure that the chamfered edges of the decking boards are also fully painted.


9 WARRANTY

The HardieDeckTM system supplied by James Hardie is warranted for a period of 10 years.

Please refer to the terms and conditions stated in the warranty document available at HardieDeck.com.au.

The decking boards are not covered by the James Hardie's product warranty if used without HardieDeck™ Double Winged Base Jointer and HardieDeck™ Snap-In Top Strip.

This product is not warranted for use outside of its intended application.

© Copyright 2015 James Hardie Australia Pty Ltd.

ABN 12 084 635 558. ™ and ® denotes a trademark or registered mark owned by James Hardie Technology Limited

STAIRS IN BUSHFIRE FLAME ZONE

For decking stairs in Bushfire Flame Zone, the framing must be non-combustible. Timber framing is not suitable.

The HardieDeck™ system provides a highly durable and low maintenance deck. The extent and nature of care will depend on the geographical location and exposure of the deck.

As a guide, minimum care requirements include but are not limited to the following:

Clean and maintain the painted surface in accordance with the paint manufacturer’s specification.

• Do not clean painted surfaces with high pressure water• Sweep deck surface as required to minimise debris and dirt buildup

on the deck surface.• The deck surface can be washed with a mild pH-neutral detergent

solution and a suitable brush.• Any damaged HardieDeckTM system components must be fixed

immediately.• When re-painting the deck:

о The deck surface must be cleaned in accordance to the paint manufacturer’s specification.

о Apply masking tape over the snap-in cover strips. As paints may not becompatible with the powder coating on the strips, it is not recommended they be painted over.

о Alternately, the snap-in cover strips may be removed and replaced with new cover strips after re-painting. The snap-in cover strips may be purchased separately.

For more information on how to care for your deck view the HardieDeck™ Care Instructions available at HardieDeck.com.au.

7 BUSHFIRE PRONE AREAS

TABLE 1 BUSHFIRE PRONE AREAS REQUIREMENTS FOR DECKS

DESIGN CRITERIA (AS 4055: 2014)

BUSHFIRE ATTACK LEVEL (BAL)

12.5 & 19 29 40 Flame Zone (FZ)

Decking Boards HardieSmart™ system suitable

Framing and Supports

No additional requirements

Non-combustible (e.g. steel) or bushfire suitable resisting timber

Non-combustible (e.g. steel) or system compliant with AS 1530.8.1 (no bushfire timber allowed)

Balustrade & Handrail No additional

requirements

Varies based on distance from glazed element or combustible material.<125mm, It must be non-combustible material or bushfire timber>125mm , no additional requirements

In all parts of Australia prone to bushfires, there are specific requirements in relation to the types of decking boards and framing materials that can be used. The requirements vary depending on applicable bushfire attack level and the elements of deck under consideration. Please consult the National Construction Code (NCC) or your local council for more information.

Table 1 below outlines requirements for framing supports, balustrades and handrails. It is provided as a guide only based in the requirements outlined in AS 4055.

8 CARE INSTRUCTIONS


NOTES


HardieDeck.com.auCall 13 85 53 for information and advice © 2015 James Hardie Australia Pty Ltd ABN 12 084 635 558. TM and ®denote a trademark owned by James Hardie Technology Limited.

2326-04_JH_HardieDeck_Installation Guide Cover_UNCOATED_1A.indd 1 12/05/2015 11:53 am

Documents

INSTALLATION GUIDE - 5 Star Timbers · PDF filemachined 19mm thick fibre cement decking boards with a specifically ... This Installation Guide covers the use of the ... 10mm gap between