EARTHWOOL DRITHERM 37 75MM (4.37M2) 1200 X 455 X 75MM (8)

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.

Earthwool DriTherm Cavity Slabs are for the thermal insulation of masonry cavity external walls and are installed to fully fill the cavity. They are approved for use in buildings up to 12m high in any exposure zone and for use in multi-storey applications up to 25m in height.

  • British Board of Agrément approved for use in all exposure zones
  • Water repellent
  • Slabs ‘knit’ together, thus eliminating air gaps between adjacent slabs
  • Thermal conductivity 0.037 W/mK
  • classified as Euroclass A1 to BS EN 13501-1


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