Used in conjunction with framing that complies with NZS 3604:2011 will meet the requirements of the New Zealand Building Code. Studs are at a maximum of 600mm centres - dwangs are not necessary for effective bracing but may be required for linings or claddings. 7mm DD IPL NZ Bracing Ply is structural plywood manufactured to AS/NZ 2269:2012. It is suitable for design of earthquake and wind bracing for timber framed buildings in accordance with design codes NZS 3604 or NZS 3603 and AS/NZS 1170. Use section 5 of NZS 3604 when adjusting bracing capacities for walls of varying heights. A part sheet can be installed above a full sheet, in this instance the part sheet must be nailed off using the same pattern as standard full sheet.
As IPL NZ Bracing Ply is an integral part of the building structure it must be durable in each application i.e. have at least 50 years durability rating. In interior dry applications (i.e. 18% moisture content or less) untreated IPL NZ Bracing Ply is acceptable for use. However, in applications where IPL NZ Bracing Ply may be subject to wetting, dampness or condensation (basically where potentially the moisture content may exceed 18% for prolonged periods) IPL NZ Bracing Ply must be preservative treated to at least H3.2 hazard rating and fixed with non-corrosive fasteners (i.e. stainless steel or silicone bronze).
IPL NZ Bracing Ply can be left exposed to the weather for up to 3 months, but the surface will deteriorate gradually over a period of time with checking (fine splits) etc. The structural integrity of the sheets will remain even though exposed during construction.
IPL NZ Bracing Ply is to be installed and fixed as per the building design, technical literature and safety data sheets. As plywood dimensions can vary with changes in ambient humidity and wetting during construction it is recommended to allow expansion gaps between adjacent panel edges of at least 2mm. The minimum fastener requirement for 7mm IPL NZ Bracing Ply is 50mm x 2.8mm dia hot dip galvanised flat head power driven or hand driven nails. In sea spray zone D, stainless steel annular groove or ringshank nails must be used. For bottom plate hold downs refer to GIB HandiBrac® installation instructions for correct installation and bolt types to be used for concrete and timber floors. Ground clearance must be as specified in NZBC Acceptable Solution E2/AS1.
IPL NZ Bracing Ply is manufactured in accordance with AS/NZ 2269. All sheets have IPL construction details/NZ standard/plant number and name on rear of sheets. The Engineered Wood Products Association of Australasia (EWPAA) audits our production processes to ensure we meet the requirements of the product Standard. This third party audited, process based, quality assurance scheme meets the requirements of an ISO Type 5 system for production certificate. The EWPAA is an accredited body to JAS - ANZ under registration No. Z1460695AB.
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