The Knauf Insulation Dritherm 32 Cavity Slab 75mm is a high-performance insulation product designed for use in masonry walls. It offers excellent thermal performance, helping to retain heat within your property and lower energy costs. Made from water-repellent glass mineral wool, this cavity slab provides robust, reliable insulation against both heat loss and moisture ingress. Its flexible edge ensures a close fit against brick and blockwork, reducing gaps that could allow heat to escape. Easy to handle and install, its an ideal choice for both professional builders and DIY enthusiasts.

Brand Name	Knauf
Certifications Met	Eurofins Indoor Air Comfort Gold product, ISO 14001 Environmental Management System
Material	Mineral Wool
Protects From	heat loss and moisture ingress
Type	Slabs
Waterproof	Yes
R-value	1.55 m²K/W
Thickness	75mm
Dimensions	455mm x 1200mm
Coverage area per package	6.48m²
Quantity	8 slabs per pack
Application	Walls (Cavity walls)
Installation method	Friction fit - No need for retaining discs.
Fire rating	Euroclass A1 - Non-combustible
Moisture resistance	Water repellent, repels water to protect the thermal performance of the building.
Sustainability features	Manufactured from up to 80% recycled glass.