Recticel Powerdeck F is a high performance rigid polyisocyanurate (PIR) foam board for use in warm flat roofs under built-up felt, mastic asphalt and approved single-ply membrane waterproofing systems. Recticel Powerdeck F  is compatible with multiple waterproofing systems, benefiting from high compressive strength and excellent dimensional stability that ensures the flat surface finish required for optimum performance in new build and refurbishment projects. Powerdeck F is a closed cell, CFC and HCFC-free (zero ozone depletion), rigid polyisocyanurate foam core faced, both sides, with a perforated mineral coated glass fibre tissue. It has an exceptionally low thermal conductivity of 0.026 W/mK. This board is available in thefollowing thicknesses: 50mm 100mm 120mm 130mm 150mm   Contact us today.