DCT-R41-2
PITCHED CLT METAL ROOF CONTINUOUSLY INSULATED EXTERNALLY (PIR)
Pitched CLT roof structure externally insulated with a continuous rigid DCT PIR insulation board fitted below counter battens. The vapour permeable ProctorWrap sarking draped under roofing battens provides drainage of any moisture or condensate forming below the metal roof sheet.
Section J (NCC 2019) R-Value Calculator
ProctorWrap High Tensile-Roof (HT-S) is a medium weight highly durable medium duty vapour-permeable roof underlay for use in tiled, slate and metal roof applications. ProctorWrap HTS-IT is supplied with double integrated tape.
DCT PIR Silver insulation is a general application thermoset PIR insulation board with two low emissivity foil facings, suited for use in non-exposed floor, roof, wall and ceiling applications in residential and commercial buildings.
