Isover Cavity Wall Slab (CWS) 32 – 125mm

The Isover Cavity Wall Slab (CWS) 32 is a high-performance insulation product specifically designed for cavity wall applications. With a thickness of 125mm, this cavity wall insulation slab is suitable for both trade professionals and DIY customers looking to improve the thermal efficiency of their buildings. Its advanced composition of glass mineral wool, made from up to 82% recycled glass, ensures excellent thermal performance and durability.

This insulation slab features a thermal conductivity of 0.032 W/m.K, offering effective insulation properties that help to reduce energy costs. Additionally, the installation process is straightforward, as the slabs are 455mm wide to fit standard wall tie spacing, eliminating the need for retaining discs when filling the cavity completely. With a water-repellent binder, these slabs provide added protection, making them ideal for various environmental conditions.

Specifications

Type: Cavity Wall Slab Insulation
Thickness: 125mm
Length: 1200mm
Width: 455mm
Thermal Conductivity: 0.032 W/m.K
Composition: Glass mineral wool, manufactured from up to 82% recycled glass
Water Repellency: Manufactured with a water repellent binder
Installation: 455mm wide to fit standard wall tie spacing; no requirement for retaining discs when fully filling the cavity
Fire Certification: Certified for reaction to fire and tested to BS EN 13162:2012 + A1:2015 standards
Environmental Feature: Plant powered by 100% renewable electricity

Key Features

• High-performance cavity wall insulation
• Thermal conductivity of 0.032 W/m.K
• Made from up to 82% recycled glass
• Water-repellent binder for enhanced protection
• Easy installation, fitting standard wall tie spacing