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100mm Isover CWS 32 Cavity Wall Slab 1200mm x 455mm (3.28m²)


100mm Isover CWS 32 Cavity Wall Slab 1200mm x 455mm (3.28m²)

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£44.63 Inc VAT
£13.61 Per M²

100mm Isover CWS 32 Cavity Wall Slab is a higher preforming glass mineral wool slab that provides excellent thermal performance in masonry cavity walls.

122 In Stock
New Southgate
117 in stock
Park Royal
0 in stock
Staples Corner
0 in stock
West Hampstead
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Product Information

Isover Hi-Cav insulation is designed to be installed during construction of cavity walls and is used to fully fill the cavity in external walls. Isover Hi-Cav is a non-combustible, silicone-impregnated glass mineral wool slab that offer great thermal properties and is easy to cut and install.

Key Feature

  • High quality mineral wool insulation
  • Easy installation in to cavities
  • Designed to aid compliance with Building Regulations Part L 2006 for England and Wales
  • BBA certified for multi-storey use
  • Does not hinder the natural drying-out process of the building

Acoustic Performance
Tests show that, when built into a masonry partywall, Isover Hi-Cav can ensure compliance with the acoustic performance requirements of Building Regulations Part E1 2003. When built into external walls, Isover Hi-Cav will significantly reduce flanking sound transmission along the wall cavity.

Fire Performance
Euroclass A1 fire rating when classified in accordance with BS EN 13501-1.

Thermal Performance and U-value
Isover Hi-Cav has thermal conductivity (Lambda value) 0.032W/m.K and U-value as low as 0.23

Manufactured from up to 86% recycled glass with Zero Ozone Depletion Potential (ODP) and global warming potential (GWP) of less than 5.

Take a look at our handy guide for answers to questions like what is cavity wall insulation?

Product Specifications

Technical Specification
Brand: Isover
MPN: 5200625463
Pack Size: 6
Length: 1200mm
Width: 455mm
Thickness: 100mm
Weight: 10.8kg

  • Lead time of 2-3 Working Days
  • This product is dispatched from Builder Depot and is available for in-store purchase.
  • This product will usually be delivered via third party courier.
  • Orders received by 11:00am are processed the same working day.
  • Your delivery charge will be displayed in the trolley page and checkout prior to purchase.
  • Once the order has been dispatched you will be sent relevant tracking information.
  • This item is eligible for returns as per our Returns Policy.
  • The products ordered are for kerbside delivery only, for more information please see our Delivery page.
  • For larger and heavier products please ensure you have adequate labor onsite to accept the goods and offload.