100mm Isover Cavity Wall Slab (CWS) 32 is a premium glass mineral wool slab engineered for outstanding thermal performance in external masonry cavity walls. Built with a water-repellent binder, these robust, durable, and flexible slabs measure 455mm wide to align perfectly with standard wall tie spacing.

Product specification

• Model: 100mm Isover Cavity Wall Insulation
• Thickness: 100mm
• Width: 455mm
• Length: 1200mm
• Pack Quantity: 6
• Pack Coverage: 3.28 m2
• Density: 48kg/m3
• Weight: 15.72kg
• Thermal Conductivity: 0.032W/mK
• R-Value: 3.13m2K/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: Delivering a thermal conductivity of 0.032 W/m.K, this product significantly minimises heat transfer through the building envelope, delivering measurable reductions in heating expenses.
• Sustainability: Crafted from up to 82% recycled glass within a facility powered entirely by renewable energy sources.
• BBA Certified: This 100mm Cavity Wall Slab (CWS) 32 holds BBA certification for both full fill and partial fill masonry cavity wall applications, provided installation and maintenance follow the certificate specifications.
• Fire Classification: Meets Euroclass A1 Reaction to Fire standards as defined by 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 100mm Isover Cavity Wall Insulation, verify compliance with all applicable national building regulations, guidelines, and local and national standards relevant to your project. This encompasses fire safety compliance and any applicable height limitations.

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 100mm Isover Cavity Wall Slab CWS 32

• Manufaturer Link: 100mm isover CWS 32
• Explore our comprehensive Isover Insulation range with easy filtering by thickness and coverage options. For expert guidance on product suitability, project specifications, or volume pricing, contact our team via phone on +4402038839057, email sales@insulationbee, or use our Live Chat service – your trusted source for competitive Isover Insulation pricing across the UK.