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Free UK Delivery Over £50
Free UK Delivery Over £50

DriTherm32 Cavity Wall Insulation Ultimate Slabs


Price Includes VAT


Dritherm 32 Ultimate Cavity Wall Insulation is denser than the standard Dritherm 37 and offers superior thermal insulation for cavity walls making U value compliance much easier. 

 Dritherm Cavity Slabs are non-combustible Glass Mineral Wool slabs, manufactured using 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.


  • 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
Need More Help? Call 0116 452 0510
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