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Isover 150mm CWS 36 Cavity Ins 1200x455 6Pcs = 3.28m2
Isover CWS 36 Cavity Insulation
Isover CWS 36 is a medium density glass mineral wool slab supplied in 150mm thickness with a total pack area of 3.28m2. 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:

  • £25.95

  • £31.14

    inc VAT

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TypeCavity Roll
Pieces per pack6
Pack Area3.28m²

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.


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