The Knauf Dritherm 37 Cavity Slab 100mm is a premium glass mineral wool insulation designed for use in masonry cavity walls. Offering exceptional thermal performance, non-combustibility, and easy installation, it is ideal for full-fill cavity applications across all exposure zones.
Key Features
- Excellent Thermal Performance: Provides energy efficiency with a thermal conductivity of 0.037 W/mK
- Full Fill Insulation: Prevents mortar snots and cold bridges for a continuous insulating layer
- Non-Combustible: A1 Euroclass Reaction to Fire rating for outstanding fire safety
- Water Repellent: Manufactured with a water-repellent additive for superior moisture resistance
- Easy Installation: Friction-fits between wall ties without the need for retaining discs
- BBA Approved: Certified by the British Board of Agrément for use in all exposure zones
- Reliable Coverage: Slabs are pre-sized to suit standard wall tie spacing, enhancing installation speed
Specifications
| Specification | Detail |
|---|---|
| Thickness | 100mm |
| Dimensions per Slab | 1200mm (L) x 455mm (W) |
| Pack Coverage | 6.55m² |
| Thermal Conductivity | 0.037 W/mK |
| Fire Rating | Euroclass A1 (BS EN 13501-1) |
| Water Resistance | Water-repellent additive included |
| Installation | Friction-fit between wall ties |
| Certification | BBA Approved |
| Boxed Weight | 11.0kg |
| Commodity Code | 6806100000 |
| Country of Origin | Great Britain |
Frequently Asked Questions
Q: Is this suitable for high-exposure areas?
A: Yes, it is BBA approved for all exposure zones, including severe weather areas.
Q: Can it be used in both new build and retrofit applications?
A: It is primarily designed for new build cavity walls, though may be used in retrofit applications with suitable design considerations.
Q: Does it require additional fire protection?
A: No, it carries an A1 Euroclass fire rating, the highest level of non-combustibility.
