Kingspan Thermaroof TR26 PIR Flat Roof Insulation Board is designed for use on flat roofs, providing outstanding thermal performance and energy efficiency for commercial and residential buildings. Each pack contains two high-quality insulation boards, each measuring 2400 x 1200 x 120mm, offering reliable coverage and easy installation. Manufactured from rigid polyisocyanurate (PIR) foam with a durable facing, these boards deliver excellent compressive strength and moisture resistance, ensuring long-lasting protection. The Kingspan TR26 insulation board is suitable for use under mechanically fixed single-ply waterproofing membranes or fully adhered systems, making it a versatile solution in the flat roof insulation category.