Steico Flex Woodfibre Insulation 40mm offers efficient thermal and acoustic insulation for walls, roofs, and floors in both new build and renovation projects. Made from natural wood fibres, this insulation board is highly breathable, helping to regulate indoor humidity while providing excellent energy efficiency. The flexible boards are easy to handle and cut to size, ensuring a snug fit around structural elements. With a thickness of 40mm and a coverage of 6.843m2 per pack, Steico Flex is ideal for sustainable construction, contributing to a healthy living environment and long-term performance.