The Isover CWS 32 Cavity Wall Insulation Slab offers superior thermal performance and environmental sustainability for masonry wall applications. Crafted from glass mineral wool with up to 82% recycled content, each slab effectively insulates while being lightweight and easy to handle.

Its 150mm thickness and dimensions of 1200 x 455mm ensure a snug fit between standard wall tie spacings, while a water-repellent binder enhances its durability against moisture. Boasting a low thermal conductivity of 0.032 W/m.K and Euroclass A1 fire classification, this insulation slab provides outstanding energy efficiency and fire safety for both full-fill and partial-fill applications.

• Size: 150mm thickness
• Coverage: 2.18 m Pack
• Dimensions: 1200 x 455mm per slab
• Weight: Lightweight for easy handling
• Applications: Full/partial fill cavity walls
• Thermal Conductivity: 0.032 W/m.K
• Material: Glass mineral wool
• Water Repellent: Yes
• Fire Classification: Euroclass A1