The Knauf Earthwool® Dritherm 37 Standard Light Duty Cavity Slab 50mm 6.55m² is a high-quality insulation slab designed to provide thermal and acoustic insulation in masonry cavity walls. This product is easy to handle and install, offering superior thermal performance, thanks to its resilient and water-repellent earthwool mineral wool composition. Ideal for new build or refurbishment projects, it fits snugly between standard wall tie spacing, ensuring no air gaps where heat can escape.

Brand Name	Knauf
Certifications Met	Eurofins Indoor Air Comfort Gold
Material	Glass Mineral Wool
Type	Slabs
Waterproof	Water repellent
Thickness	50mm
Dimensions	1200mm x 455mm each slab
Coverage area per package	6.55 square meters
Application	Cavity Walls
Installation method	Friction fit between studs, joists, and rafters.
Fire rating	Euroclass A1 - non-combustible
Moisture resistance	Water repellent
Vapor transmission	Breathable material
Sustainability features	Contains up to 80% recycled content