75 mm DriTherm Cavity Slab 37 (4.37 M2)

The 75 mm DriTherm Cavity Slab 37 (4.37 m²) is a high-quality full-fill cavity wall insulation slab designed to deliver dependable thermal performance in masonry construction. With a lambda value of 0.037 W/mK, it helps reduce heat loss through external walls and supports improved U-values in residential and light commercial buildings.

Manufactured from water-repellent glass mineral wool, DriTherm Cavity Slab 37 combines thermal efficiency with breathability and moisture resistance. The 75 mm thickness makes it suitable for standard cavity widths where effective insulation is required without increasing wall build-up. Supplied in packs covering 4.37 square metres, the slabs are lightweight, easy to cut and quick to install, ensuring efficient on-site application for new-build projects.

Key Features

• Full-fill cavity wall insulation slab

• Lambda value: 0.037 W/mK

• 75 mm thickness for standard cavity constructions

• Water-repellent and breathable glass mineral wool

• Non-combustible with excellent fire performance

• Supplied in packs covering 4.37 m²

Typical Applications

• Full-fill cavity wall insulation

• External masonry walls in new-build housing

• Standard cavity wall construction

• Low-rise residential buildings

• Light commercial developments

Performance & Workability

• Supports improved wall U-values and energy efficiency

• Water-repellent fibres resist moisture ingress

• Slabs friction-fit securely within cavities

• Lightweight and easy to handle on site

• Simple to cut for fast and accurate installation

Technical Specification

• Product Type: Cavity Wall Insulation Slab

• Insulation Type: Glass Mineral Wool

• Product Range: DriTherm Cavity Slab 37

• Thickness: 75 mm

• Thermal Conductivity (Lambda): 0.037 W/mK

• Coverage per Pack: 4.37 m²

• Application: Full-Fill Cavity Wall Insulation

Why Choose 75 mm DriTherm Cavity Slab 37?

The 75 mm DriTherm Cavity Slab 37 provides a reliable and cost-effective solution for achieving improved U-values in standard cavity wall constructions. Its 0.037 W/mK lambda value, moisture resistance and non-combustible mineral wool construction make it a trusted insulation choice for energy-efficient buildings