50mm Knauf Insulation DriTherm® Cavity Slab 37 1.2m x 455mm (12 per pack)

Knauf Dritherm 37 is a full-fill cavity wall insulation slab designed to reduce heat loss in masonry cavity walls for both residential and commercial buildings. Manufactured from glass mineral wool, it is engineered to fit tightly within the cavity, helping retain warmth and improve overall energy efficiency for the lifetime of the building. The slabs are moisture resistant, non-combustible and supplied in packs sized for straightforward coverage calculations on site.

Benefits

• Provides effective thermal insulation to reduce heat loss through cavity walls
• Full-fill design removes the need for partial cavity systems or air gaps
• friction fit installation
• Flexible structure adapts to minor irregularities
• Moisture resistant
• Euroclass A1 non-combustible
• Durable and long-lasting
• Will not encourage the growth of mould fungi or bacteria
• Environmentally responsible with strong sustainability credentials

Good to know

• Designed specifically for masonry cavity walls in new builds and refurbishments
• Correct cavity width is essential
• Slabs must be tightly butted to maintain continuous insulation coverage
• Easy to cut and install with standard tools
• Comfortable to handle
• Packaging is intended for short-term storage. The product should be covered, off the ground and protected from the weather if kept on site