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 Agrément approved for use in all exposure zones

This product is only available to collect from our Builders Merchant branches:
  • Builders Yard - Lancing
  • Builders Yard - Worthing
  • Builders Yard - Henfield
  • Builders Yard - Bognor
  • £22.16 per item
    In stock
    Product code
    Stock availability ()
    • Builders Yard - Bognor: 8
    • Builders Yard - Henfield: 3
    • Builders Yard - Lancing: 6
    • Builders Yard - Worthing: 11


    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