The Unilin Safe-R Cavity Wall Insulation PIR Board is a highly efficient, thermally insulating board designed to enhance the insulation of cavity walls. Measuring 1200 x 450 x 75mm, this robust PIR (Polyisocyanurate) board is manufactured by Unilin, a renowned brand in insulation solutions. Resistant to moisture and capable of enduring extreme temperatures, it offers an excellent solution to reduce heat loss in buildings. Its easy to install and perfect for both residential and commercial construction projects.