Earthwool Dritherm 37 Cavity Insulation 85mm 4.37m²

Item Code: 487300544

£18.49 Ex VAT £22.19 Inc VAT £4.22 per m²

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Earthwool DriTherm Cavity Slabs are semi-rigid or rigid slabs of non-combustible, water repellent, glass mineral wool. They are 455mm wide to suit standard vertical wall tie spacings, ensuring a closed joint with adjacent slabs.


  • Excellent thermal and fire performance
  • Water repellent
  • Slabs ‘knit’ together, thus eliminating air gaps between adjacent slabs
  • They are approved for use in buildings up to 12m high in any exposure zone


Width 455mm
Length 1200mm
Thickness 85mm
Coverage Per pack
Coverage (m2) 4.38
Use External