Earthwool Dritherm 37 Cavity Insulation 50mm 6.55m²

Item Code: 487300547

£20.49 Ex VAT £24.59 Inc VAT £3.13 per m²

Sign in to buy

Not a Selco member? Get a free Account


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 50mm
Coverage Per pack
Coverage (m2) 6.55
Use External