Knauf DriTherm 37 75mm Cavity Wall Insulation Slab is designed for use in external masonry cavity walls, providing high thermal performance and energy efficiency. Each pack covers 4.37m² and the slabs are manufactured from non-combustible glass mineral wool, making them both safe and easy to handle. This insulation slab helps to reduce heat loss, lower energy bills, and maintain a comfortable indoor environment. It is water repellent, rot proof, and resistant to mould growth, ensuring long-lasting durability within the wall cavity. Suitable for new builds and renovations, Knauf DriTherm 37 is a reliable solution for building insulation requirements.