65mm Isover Cavity Wall Slab (CWS) 32 delivers exceptional thermal performance for external masonry cavity walls. These glass mineral wool slabs feature a water-repellent binder, offering outstanding strength and flexibility. At 455mm wide, they align perfectly with standard wall tie spacing for seamless installation.
Product specification
- Model: 65mm Isover Cavity Wall Insulation
- Thickness: 65mm
- Width: 455mm
- Length: 1200mm
- Pack Quantity: 12
- Pack Coverage: 6.55 m2
- Density: 48kg/m3
- Weight: 20.44kg
- Thermal Conductivity: 0.032W/mK
- R-Value: 2m2K/W
- Fire Rating (Reaction to Fire): A1(Non-combustible)
- Type: Glass mineral wool slab
- Application: External masonry cavity walls
- Brand: Isover
Product Features
- 1200 x 455mm mineral wool insulation slab
- Manufactured from up to 82% recycled glass
- Manufactured with a water repellent binder
- 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 transfer through the building envelope, delivering substantial energy savings.
- Sustainability: Crafted from up to 82% recycled glass and produced in facilities powered entirely by renewable energy sources.
- BBA Certified: This 65mm Cavity Wall Slab (CWS) 32 holds BBA certification for both full fill and partial fill masonry cavity wall applications when properly installed and maintained according to certification requirements.
- Fire Classification: Meets Euroclass A1 Reaction to Fire standards as per EN 13501-1.
- Easy to Install: The 455mm width accommodates standard wall tie spacing, enabling rapid installation without requiring retaining discs for full cavity applications.
Key Considerations
When installing 65mm Isover Cavity Wall Insulation, verify compliance with all relevant building regulations, local standards, and fire safety requirements applicable to your project.
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.
Quality
All Isover products are manufactured under Quality Management Standard – ISO 9001.
- Manufaturer Link: 65mm isover CWS 32
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