DriTherm Insulation 37 STD Cavity Slab 85mm 4.37m2

  • Excellent thermal performance.
  • Non-combustible A1 Euroclass Reaction to Fire classification
  • Manufactured using a water repellent additive
  • Fully fill the cavity to prevent mortar snots and prevent bridges
  • Slabs are sized to fit between wall ties without the need for retaining discs.
  • Quick and easy to install.
  • British Board of Agreement approved for use in all exposure zones.
This product is available for Delivery and Collection but is likely to only be available to collect from our Builders Merchant branches:
  • Builders Yard - Lancing
  • Builders Yard - Worthing
  • Builders Yard - Henfield
  • Builders Yard - Bognor
  • £22.16 per Each
    In stock
    Product code
    Stock availability ()
    • Builders Yard - Bognor: 4
    • Builders Yard - Henfield: 2
    • Builders Yard - Lancing: 6
    • Builders Yard - Worthing: 46
    • Warehouse - Worthing: 68


    Earthwool DriTherm Cavity Slabs are non-combustible Glass Mineral Wool slabs, manufactured using our revolutionary ECOSE® Technology and a water repellent additive, designed for use in external masonry cavity walls to provide a full-fill insulation solution which is installed as walls are being built

    They are 455mm wide to suit standard vertical wall tie spacings allowing a closed joint with adjacent slabs.

    More Information
    More Information
    Featured ProductNo
    Price On ApplicationNo
    Loft Insulation Thickness (mm)85 mm
    Thermal Conductivity (W/mK)0.037
    Loft Insulation Length (mm)1200 mm
    R Value (m²K/W)2.25
    Width (mm)455