The Unilin (Xtratherm) Thin-R Cavity Wall PIR Insulation Board is an effective solution for thermal insulation, designed to fit easily within cavity walls. Measuring 1200 x 450 x 60mm, this product is made from PIR (polyisocyanurate), a thermoset plastic with superior insulating properties. It provides high thermal performance and contributes towards energy saving and lowering carbon emissions in buildings. Its compact size allows for easy installation, offering a practical and efficient insulation solution for your construction projects.