The Unilin XT Thermal Liner DD Insulation PIR Board is a high-quality insulation board, perfect for a range of building applications. Measuring 2400 x 1200 x 37.5mm, this product is designed to provide effective thermal insulation in walls, floors, and roofs. Made from PIR (polyisocyanurate), it offers superior thermal performance and durability. With its excellent dimensional stability and low thermal conductivity, the Unilin XT Thermal Liner is an ideal choice for energy-efficient construction and retrofit projects.