DCT-R10-1
INTERNALLY INSULATED VENTILATED TIMBER DECK COLD ROOF WITH AIR TIGHT CEILING (PIR)
A “cold roof” design protected by an exposed waterproof membrane, continuously ventilated from ridge to eaves below the roof structural sheathing board and insulated between and/or below the joists/rafters by a rigid thermoset DCT PIR insulation board, forming a continuous air and vapour control layer at the ceiling.
Section J (NCC 2019) R-Value Calculator
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.