Knauf DriTherm 37 50mm Cavity Wall Insulation Slab is designed for use in masonry cavity walls, offering excellent thermal performance for residential and commercial buildings. These glass mineral wool slabs deliver reliable insulation, helping to reduce heat loss and improve energy efficiency. Each pack covers 6.55m², making it suitable for various project sizes. The slabs are non-combustible, water repellent, and easy to handle and install. Manufactured with sustainability in mind, Knauf DriTherm 37 meets industry standards for cavity wall insulation and provides long-lasting durability without sagging or slumping.