The 100mm x 1200mm x 450mm Celotex PIR Cavity Wall Insulation Board CW4000 is an outstanding insulation product designed for cavity walls. Manufactured by Celotex, this board features a PIR (polyisocyanurate) core with a low thermal conductivity, ensuring optimal insulation in cold and hot conditions. Made to fit standard wall tie spacing, the CW4000 is easy to install and provides long-term energy savings. Its robust design ensures durability and resistance to moisture, making it a reliable choice for both new builds and refurbishments.
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