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50mm Knauf Dritherm 37 50x455x1200mm - 6.55 m² Pack

£15.84 (inc. VAT)
50mm Knauf Dritherm 37 50x455x1200mm - 6.55 m² Per Pack is a Cavity Wall Insulation Slab. Earthwool Dritherm 37 Standard grade 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 spacing, ensuring a closed joint with adjacent slabs.

Thickness: 50mm
Width: 455mm
Length: 1200mm
Pack Quantity: 12
Pack Coverage: 6.55m2
Density: 17kg/m3
Weight/m2: 0.85kg
Weight: 5.57kg
Thermal Conductivity: 0.037W/mK
R-Value: 1.4m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)

  • 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
Lambda Value = 0.037
Thickness Range = 50mm - 150mm

Please contact us if you require any further information or a product data sheet.
Product Type:
Glass Mineral Wool
Edit Product Type:
Glass Mineral Wool
50x455x1200MM (6.55 M²)
Knauf Insulation
Product Code:
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