Please note: online orders placed after Thursday 20th December 2018 will be processed from Wednesday 2nd January 2019.

Isover Cavity CWS 36

Isover Cavity CWS 36

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​CWS 36 is a medium density glass mineral wool slab supplied in 50-150mm thicknesses. The strong, resilient and flexible batts are 455mm wide to fit between standard wall tie spacing.
BranchQuantity in stock
Sleaford Building SuppliesOut of stock
Brigg Building & PlumbingIn stock (246 Units)
Newark Building SuppliesIn stock (5 Units)
Spalding Building & PlumbingOut of stock
Boston Building SuppliesIn stock (111 Units)
Newark Plumbing SuppliesOut of stock
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When stocked, this item is only available for collection or delivery from one of our branches. We typically deliver to addresses within twenty miles of a branch. Minimum carriage may apply.
From £30.26 Each
From £9.23 Per m2
Price Includes VAT

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  • Delivery & Returns

  • Product Details

    • Available in 6 thickness - 50mm - 150mm
    • 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

    Isover is a leading manufacturer and supplier of mineral wool insulation products and systems, and we hold a comprehensive range of their insulation products

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  • Delivery - The Basics

    We provide our customers with a fast, reliable, local delivery service.  Once your order has been received and processed, we aim to deliver your order within five working days.  Orders supplied directly from stock in branch delivered between 8am - 4.30pm,  Monday to Saturday.  Courier deliveries take place between 8am - 8pm.  Please make sure we can contact you by phone on the day of delivery.

    Whilst problems with stock supply are rare, if any of your items are not available, we'll inform you when processing your order and give you options based on availability.

    Delivery Costs

    Orders delivered FREE of charge within 20 miles of our branches. See our main Delivery Page for supplier-specific delivery methods and pricing.

    The Small Print

    • Deliveries can be made anywhere in our branch network.  If your delivery address falls outside our branch network, a small delivery charge may be incurred.
    • If, due to unforeseen circumstances, we are unable to deliver on the confirmed delivery date, we will contact you to arrange an alternative date. We cannot accept liability for any costs due to delayed delivery (e.g. cost of labour or fitting).
    • Goods must be signed for on delivery. If you are unable to accept the goods, or sign for them, or you decline the delivery, a redelivery charge maybe charged.
    • Please advise when booking if there are access restrictions to the delivery address.  Turnbull cannot be held liable for damage caused by the vehicle at the delivery address.

    Full details of our Trade Terms of Business here

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