The Knauf Insulation Dritherm 32 Cavity Slab 85mm is a high-performance insulation solution specifically designed for use in cavity walls. This lightweight, resilient and non-combustible insulation product is made from water-repellent glass mineral wool, providing excellent thermal performance to help reduce heat loss through walls, thereby improving energy efficiency. Easy to handle and install, the 85mm slab can be friction fitted between standard wall tie spacing, ensuring consistent insulation with no gaps.
Material | Glass Mineral Wool |
Type | Slabs |
R-value | 1.45 m2K/W |
Thickness | 85 mm |
Dimensions | 1200mm x 455mm (Length x Width) |
Coverage area per package | 6.55 square meters |
Quantity | One pack contains 8 slabs. |
Application | Walls, specifically designed for masonry cavity wall insulation. |
Installation method | Friction fitted in between the ties maintaining a consistent thickness. |
Fire rating | Euroclass A1 |
Moisture resistance | Water repellent treatment added to prevent moisture transmission through the wall. |
Sound absorption rating | High level of sound absorption. |
Environmental certifications | Manufactured under EN ISO 14001 Environmental Management Systems and OHSAS 18001 Occupational Health and Safety Management Systems. Certified by EUCEB (European Certification Board for Mineral Wool Products) as a bio-soluble product. |
Compression resistance | Not applicable. |
Vapor transmission | Not applicable. |
Sustainability features | Made from recycled glass bottles, saving energy and natural resources. |