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Knauf Earthwool DriTherm 37 Standard Cavity Insulation

(Code: 20000600)
Choice of Thickness :
£ 50.32
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Knauf Earthwool DriTherm 37 Standard Cavity InsulationFor thermal insulation in residential and non-residential masonry cavity external walls, Earthwool DriTherm Cavity Slabs have a special additive to make the product water repellent.

They are 455mm wide to suit standard vertical wall tie spacings allowing a closed joint with adjacent slabs.


Euroclass A1 non-combustible
For use in external masonry cavity walls
British Board of Agrément approved for use in all exposure zones
Water repellent
Slabs ‘knit’ together, eliminating air gaps between adjacent slabs

Available in a choice of 3 thicknesses - 50mm, 75mm and 100mm.


 Thickness (mm) Length (mm)  Width (mm)  Quantity per Pack  Area per Pack (m2)  Thermal Conductivity (W/mK)  R-Value (m2K/W) 
50 1200  455  12  6.55  0.035 1.40 
75  1200 455  4.37  0.037  2.00 
100  1200  455  12  6.55  0.037  2.70