The Unilin Thin-R 1200 x 450 x 90mm Cavity Wall Insulation Sheet is a full-fill cavity wall insulation board designed for excellent thermal performance and energy efficiency. With engineered T&G jointing for a secure fit, a low lambda value of 0.021 W/mK, and a Euroclass C fire rating, these insulation sheets deliver both safety and reliability. By using corner panels and cavity closers, thermal bridging is reduced, making this insulation board a cost-effective solution for both residential and commercial builds. �� Price: £10.00 VAT per sheet