85mm Isover Cavity Wall Slab (CWS) 32 is a premium glass mineral wool slab engineered to deliver exceptional thermal performance in external masonry cavity walls. Built with a water-repellent binder, these robust and flexible slabs measure 455mm wide to align perfectly with standard wall tie spacing.

Product specification

• Model: 85mm Isover Cavity Wall Insulation
• Thickness: 85mm
• Width: 455mm
• Length: 1200mm
• Pack Quantity: 8
• Pack Coverage: 4.37 m2
• Density: 48kg/m3
• Weight: 17.82kg
• Thermal Conductivity: 0.032W/mK
• R-Value: 2.66m2K/W
• Fire Rating (Reaction to Fire): A1(Non-combustible)
• Type: Glass mineral wool slab
• Application: External masonry cavity walls
• Brand: Isover

Product Features

1. 1200 x 455mm mineral wool insulation slab
2. Manufactured from up to 82% recycled glass
3. Manufactured with a water repellent binder
4. BBA approved – certificate 18/5560

Product Benefits

• Thermal Performance: Boasting a thermal conductivity rating of 0.032 W/m.K, this product significantly minimises heat escape through your building envelope, delivering measurable reductions in heating expenses.
• Sustainability: Crafted from up to 82% recycled glass and produced in facilities powered entirely by renewable energy sources.
• BBA Certified: This 85mm Cavity Wall Slab (CWS) 32 holds BBA certification for both full fill and partial fill masonry cavity wall applications, provided installation follows the certificate specifications.
• Fire Classification: Meets Euroclass A1 Reaction to Fire standards as defined in EN 13501-1.
• Easy to Install: The 455mm width accommodates standard wall tie spacing, enabling rapid installation without retaining discs when fully filling the cavity.

Key Considerations

When installing 85mm Isover Cavity Wall Insulation, verify compliance with all applicable building regulations, national guidelines, and local standards relevant to your project. Pay particular attention to fire safety requirements and any height-related restrictions.

Thermal

Declared thermal conductivity of 0.032 W/m.K under EN 13162: Thermal insulation products for buildings. Factory made mineral wool (MW) products.

Fire

Euroclass A1 Reaction to Fire Insulation classification according to EN 13501-1.

Environmental

All Isover products are manufactured under Environmental Management System – ISO 14001:2015.

Recycled

Content Manufactured from up to 82% recycled glass.

Certification

• UKCA Marked to BS EN 13162.
• CE Marked to EN 13162.
• Designation code: MW-EN 13162-T4-WS.

BBA Approved

(Cert No: 18/5560) for full fill and partial fill masonry cavity wall insulation board applications when installed, used and maintained as set out in the certification. details and restrictions.

Quality

All Isover products are manufactured under Quality Management Standard – ISO 9001.

More Information on 85mm Isover Cavity Wall Slab CWS 32

• Manufaturer Link: 85mm isover CWS 32
• Browse our comprehensive Isover Insulation range and refine by thickness or coverage using the filters on the left. For product suitability advice or bulk quotations, contact our team via phone on +4402038839057, email sales@insulationbee or use Live Chat – Competitive UK Isover Insulation Pricing.