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.
Material | Mineral Wool |
Type | Slabs |
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. |
Environmental certifications | Eurofins Indoor Air Comfort Gold product, ISO 14001 Environmental Management System |
Sustainability features | Manufactured from up to 80% recycled glass. |