DriTherm Insulation 37 STD Cavity Slab 50mm 6.55m2

  • 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.

£25.55 per Each
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  • Builders Yard - Bognor: 7
  • Builders Yard - Henfield: 64
  • Builders Yard - Lancing: 26
  • Builders Yard - Lee's Yard, Bognor: 10
  • Builders Yard - Worthing: 15
  • Warehouse - Worthing: 29


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)50 mm
Thermal Conductivity (W/mK)0.035
Loft Insulation Length (mm)1200 mm
R Value (m²K/W)1.4
Width (mm)455