Isover Cavity Wall Slab 36 is a high-performance, glass mineral wool insulation slab designed for full-fill masonry cavity wall applications. Manufactured by Isover, this robust and water-repellent slab provides excellent thermal efficiency while maintaining breathability within the cavity wall system.
With a thermal conductivity of 0.036 W/mK, Isover Cavity Wall Slab 36 helps reduce heat loss, lower energy bills, and improve overall building performance. The slabs are semi-rigid, easy to friction-fit between wall ties, and are suitable for use in new builds and refurbishment projects.
Each slab measures 1.2m x 455mm, ensuring quick installation and minimal waste on site.
⚠ Brand may vary due to stock availability. Equivalent performance products may be supplied where necessary.
Available Sizes:
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100mm – 6.55m² per pack (6 slabs per pack)
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150mm – 3.28m² per pack (6 slabs per pack)
Key Benefits:
✔ Excellent thermal performance (λ 0.036 W/mK)
✔ Designed for full-fill cavity wall applications
✔ Water-repellent and breathable
✔ Non-combustible (Euroclass A1 fire rating)
✔ Easy friction-fit installation
✔ Manufactured from sustainable glass mineral wool
Isover Cavity Wall Slab 36 is fully compliant with UK Building Regulations and is ideal for residential, commercial, and new-build developments requiring reliable cavity wall insulation.
Order online today from SB Building Supplies for competitive trade prices and fast UK delivery.
Product Data Sheet:
