100mm Knauf Dritherm 37 100x455x1200mm *15 Pack Best Price Deal* Dritherm 37 100mm is a standard grade, full fill Cavity Wall Insulation Slab. This 15 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.

**15 Pack Best Price Deal**
Thickness: 100mmWidth: 455mmLength: 1200mmPack Quantity: 12Pack Coverage: 6.55m²Density: 17kg/m³Weight/m²: 1.7kgThermal Conductivity: 0.037W/mKR-Value: 2.7m2K/WFire Rating (Reaction to Fire): A1(Non-combustible)
Lambda Value = 0.037

Earthwool DriTherm Cavity Slabs are easy to handle and install, being lightweight and easily cut to size, where necessary. They are supplied in polythene packs which are designed for short term protection only.

For longer term protection on site, the product should either be stored indoors, or under cover and off the ground. Earthwool DriTherm Cavity Slabs should not be left permanently exposed to the elements.

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

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