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Isover  |  SKU: IWTB4009

90mm Isover Timber Frame Batt 40 - 9.38m²

£66.82 Ex VAT
£80.18 Inc VAT
Shipping calculated at checkout.

To order this product, please get in touch: 0115 6976 800

Nationwide Delivery in 3-5 WORKING DAYS

  • £50 ex VAT Delivery
  • FREE DELIVERY OVER £500

Need a next-day or named day delivery? Call Us.


This 90mm x 1175mm x 570mm Isover 40 timber frame batt is a glass mineral wool batt providing thermal performance in timber frame walls. Supplied in a range of thicknesses, the strong resilient and flexible batts are 570mm wide to fit between standard timber studs.

They can also be used as insulation between the joists in flat roofs. Application: between the studs for timber frame external walls, timber frame internal walls, timber frame separating party walls and between the joists for flat roofs.

  • 90mm thick
  • 570mm x 1175mm - 14 batts per pack
  • Helps to reduce heat loss within the building envelope and decrease energy costs
  • Reduces the transmission of airborne sound, helping to improve the acoustic comfort of those living or working within the building
  • Non-combustible – achieves Euroclass A1 Reaction to Fire classification
  • Strong, resilient and flexible slabs knit together that are tightly butt jointed, eliminating gaps that could compromise performance
  • Any off-cuts can be reused, minimising waste on site
    Need Help? Call our Team on 0115 6976 800
    • Coverage (m²)
      9.38
    • Thickness
      90mm
    • Length
      1175mm
    • Width
      570mm
    • Material
      Glass Mineral Wool

    Do You Ship to My Address?

    We deliver to most mainland UK addresses. If you are in one of the areas listed below and are unable to checkout, please give us a call to put together a custom quote.

    Northern Ireland (BT), Isle of Wight (PO30-37), Isle of Man (IM), Scottish Highlands and Orkney Isles (PA, ML, EH, KA, G, KY, PH, DD, AB, IV, KW), Outer Hebrides and the Shetland Isles (HS, ZE) will incur additional charges and may also experience delivery delays.

    How Much Will My Delivery Cost?

    You can work out the cost of delivery on your order before checkout by heading to our Delivery Info page.

    How Long Will Delivery Take?

    We aim to deliver your items in 3 - 5 Working Days unless otherwise specified (eg - Sheds and Paving Kits). After you have placed your order, we will process your order and book a delivery day - which will then be sent to you via Email.

    If have a specific request, please do give our team a call on 01156976800 and we will do our best to help.

    What If I Need to Return Something?

    If for any reason you wish to return your purchase, we will offer a refund or an exchange as long as this is requested within 14 days of receiving your order.

    A manufacturer’s restocking charge may also apply on certain products such as non-stock items, which may be up to 30% of the purchase price, and you will be notified of this amount when you request a refund or exchange.

    For full information visit our Returns Policy.

    Isover

    90mm Isover Timber Frame Batt 40 - 9.38m²

    £66.82 Ex VAT
    £80.18 Inc VAT

    This 90mm x 1175mm x 570mm Isover 40 timber frame batt is a glass mineral wool batt providing thermal performance in timber frame walls. Supplied in a range of thicknesses, the strong resilient and flexible batts are 570mm wide to fit between standard timber studs.

    They can also be used as insulation between the joists in flat roofs. Application: between the studs for timber frame external walls, timber frame internal walls, timber frame separating party walls and between the joists for flat roofs.

    • 90mm thick
    • 570mm x 1175mm - 14 batts per pack
    • Helps to reduce heat loss within the building envelope and decrease energy costs
    • Reduces the transmission of airborne sound, helping to improve the acoustic comfort of those living or working within the building
    • Non-combustible – achieves Euroclass A1 Reaction to Fire classification
    • Strong, resilient and flexible slabs knit together that are tightly butt jointed, eliminating gaps that could compromise performance
    • Any off-cuts can be reused, minimising waste on site
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