100mm Knauf DriTherm Cavity Wall Insulation Slab 37 (6.55m2/Pack)

Full-fill glass mineral wool insulation slab, measuring 100mm in thickness, for use in masonry cavity walls.Produced with a high recycled glass content and ECOSE® Technology, it delivers strong thermal insulation while allowing vapour to pass through, supporting a healthier building fabric.A thermal conductivity of 0.037 W/mK ensures effective energy efficiency, reducing heat loss and supporting compliance with modern Building Regulations.With a Euroclass A1 non-combustible rating and full BBA certification for every UK exposure zone, it also delivers confidence in fire protection, durability, and performance over time.At 100mm thick, the slab is optimised for standard cavity widths used in modern new build housing, offering a balance of high thermal performance, ease of installation, and compatibility with typical masonry wall designs.