Free Delivery with Orders over £500 Inc Vat, Deliveries in Mainland England Only. Alternative Equal brands maybe sent as substitutes if not available in certain geographical areas. CHRISTMAS HOLIDAYS FROM 23RD DECEMBER 2025-5TH JANUARY 2026. ANY ORDERS PLACED BETWEEN THESE DATES WILL BE PROCESSED ON THE 5TH JANUARY FOR DELIVERY THAT WEEK. FOR ANY ORDERS REQUIRED UPTO THE 23RD DECEMBER THEY MUST BE ORDERED BY THURSDAY 18TH DECEMBER.

Isover CWS 36 Cavity Insulation- 125mm

Description

Isover Cavity Wall Slab (CWS) 36 is a glass mineral wool slab providing thermal performance in external masonry cavity walls. Manufactured with a water repellent binder, the strong, resilient and flexible slabs are 455mm wide to fit between standard wall tie spacing.

50mm- 10.92sm per pack

75mm – 8.74sm per pack

100mm – 6.55sm per pack

125mm – 4.37sm per pack

150mm 3.28sm per pack

Product Features
  • 1200 x 455mm mineral wool slab
  • Manufactured from up to 82% recycled glass
  • Manufactured with a water repellent binder
  • BBA approved – certificate 18/5560
Product form

Isover Cavity Wall Slab (CWS) 36 is a glass mineral wool slab providing thermal performance in external masonry cavity walls.... Read more

£38.47 Incl. VAT

    • Tell a unique detail about this product
    • Tell a unique detail about this product
    • Tell a unique detail about this product

      Description

      Isover Cavity Wall Slab (CWS) 36 is a glass mineral wool slab providing thermal performance in external masonry cavity walls. Manufactured with a water repellent binder, the strong, resilient and flexible slabs are 455mm wide to fit between standard wall tie spacing.

      50mm- 10.92sm per pack

      75mm – 8.74sm per pack

      100mm – 6.55sm per pack

      125mm – 4.37sm per pack

      150mm 3.28sm per pack

      Product Features
      • 1200 x 455mm mineral wool slab
      • Manufactured from up to 82% recycled glass
      • Manufactured with a water repellent binder
      • BBA approved – certificate 18/5560

      Recently viewed products

      Login

      Forgot your password?

      Don't have an account yet?
      Create account