IPL NZ Roofing Ply is manufactured in accordance with AS/NZ 2269 Construction Plywood. The panels are to be installed in accordance with the building design code.
The Engineered Wood Products Association of Australasia (EWPAA or PAA) audits the production processes and internal quality control procedures 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 and ensures constant monitoring of maintaining production of quality.
All veneer used in IPL NZ Roofing Ply is from renewable, plantation-grown Pinus Radiata New Zealand plantations.
Lay roofing sheets in a staggered pattern.
Sheets must be continuous over at least two spans.
Allow 1-2mm expansion joint on sheet ends at the rafter / truss.
Allow ridge and apron clearance for ventilation as required.
Standard nailing pattern is 75mm spacing on all gable, gutter, hip and ridge and eave lines, and 160 centres on through supports. Sheet thickness, wind load and roofing system will determine exact fixing requirements as per architect / engineer specifications.