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Isover 75mm CWS 36 Cavity Ins 1200x455 16 Pcs = 8.74m2
Isover CWS 36 Cavity Insulation
Cavity Insulation In Situ
Isover CWS 36 is a medium density glass mineral wool slab supplied in 75mm thickness with a total pack area of 8.74m2. The strong, resilient and flexible batts are 455mm wide to fit between standard wall tie spacing. Isover CWS 36 provides thermal performance in external masonry cavity walls to meet Approved Document L (England and Wales).

Product Code:


Online Price:

  • £34.81

  • £41.77

    inc VAT

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TypeCavity Roll
Pieces per pack16
Pack Area8.74m²

Features & Benefits

  • Thermal performance - Thermal conductivity of 0.036 W/mK. Provides excellent thermal performance, reducing heat loss through the building envelope.
  • Non-combustible - Isover glass mineral wool insulation has an A1 Euroclass fire rating – the best attainable.
  • Recycled content - Manufactured from up to 86% recycled post-consumer glass that would otherwise go to landfill.
  • Protected planet - Zero Ozone Depletion Potential (ODP) and Global Warming Potential of less than 5.


Data Sheet
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