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Description
The 50mm Knauf Dritherm 37 Glass Mineral Wool Cavity Wall Insulation – 262m² (40 Packs) is a high-quality cavity wall insulation solution designed for use in external masonry cavity walls, particularly where cavity widths are limited or where additional insulation is required to achieve required thermal performance levels. Manufactured from glass mineral wool, these lightweight insulation slabs provide reliable thermal protection while helping reduce heat loss and improve energy efficiency.
Knauf Dritherm 37 cavity slabs are designed to friction-fit across the cavity width and can be easily cut to fit between standard wall-tie spacings. With a thermal conductivity of 0.037 W/mK and a thermal resistance of 1.35 m² K/W, these 50mm slabs provide effective insulation performance for new builds, extensions, and renovation projects.
This bulk pack of 40 packs is ideal for large-scale construction applications requiring extensive insulation coverage. The slabs offer excellent fire performance with a Euroclass A1 reaction to fire rating and are manufactured to high quality standards. Knauf Dritherm 37 is BBA certified, EUCEB certified, and complies with BS EN 13162 for dependable performance and durability.
Key Features
High-quality 50mm glass mineral wool cavity insulation
Suitable for external masonry cavity walls
Ideal for smaller cavity widths and renovation projects
Can be combined with other insulation systems to achieve required U-values
Full-fill cavity insulation slabs
Designed to friction-fit between typical wall-tie spacings
Suitable for new builds, extensions, and refurbishment projects
Thermal conductivity of 0.037 W/mK
Provides thermal resistance of 1.35 m² K/W
Euroclass A1 fire resistance classification
BBA certified for quality assurance
Complies with BS EN 13162 standards
EUCEB certified mineral wool insulation
Manufactured under ISO 50001, ISO 14001, ISO 45001, and ISO 9001 management systems
Dimensions & Pack Size
Product Type: Cavity Wall Insulation Slab
Insulation Material: Glass Mineral Wool
Thickness: 50mm
Length: 1200mm
Width: 455mm
Coverage per Pack: 6.55m²
Pack Quantity: 40 Packs
Slabs per Pack: 12 Slabs
Total Coverage: 262m²
Thermal Conductivity: 0.037 W/mK
Thermal Resistance: 1.35 m² K/W
Fire Rating: Euroclass A1
Certification: BBA Certified, BS EN 13162, EUCEB Certified
DELIVERY INFORMATION
FAST RELIABLE UK DELIVERY STANDARD DELIVERY - 1 TO 3 WORKING DAYS FREE DELIVERY ON ORDERS OVER £500 PALLET DELIVERY AVAILABLE NEED IT URGENTLY? CONTACT US FOR EXPRESS OPTIONS
