PACK OF 20 (Total 20 Units) - Premium Flat Roof Insulation Board - 1200mm x 600mm x 120mmThe Flat Roof Insulation Board is a high performance rigid PIR insulation board for use in warm flat roofs with bituminous torch-on felt waterproofing systems. It's optimum stability, strength and structural integrity allows for the flattest finish. Combined with its precision-cut dimensions, your installation is quicker, easier and more cost effective. Key Features - Good thermal performance = 0.024 - 0.026 W/mK High compressive strength Compatible with numerous waterproofing systems Easy handling and installation Durable