85mm Knauf Dritherm 37 85x455x1200mm *45 Pack Best Price Deal* Dritherm 37 85mm is a standard grade, full fill Cavity Wall Insulation Slab. This 45 pack offer is one of our "Best Price Deals". 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 spacings, ensuring a closed joint with adjacent slabs.

**45 Pack Best Price Deal**

Knauf Earthwool 85mm Dritherm Slab in packs of 8 pieces 85x455x1200MM 4.37 M² per pack

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

.