75mm Knauf Dritherm 37 75x455x1200mm - 4.37 m² pack Knauf Dritherm 37 75mm is a full fill cavity wall insulation slab with a thermal conductivity of 0.037W/mK. Knauf Earthwool Dritherm 37 Standard 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.

Earthwool 75mm Dritherm Slab in packs of 8 pieces 75mm x 455 x 1200mm (4.37 M²)

Benefits:

• 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

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