Ursa 35 Cavity Wall Batt is a versatile, semi-rigid glass wool insulation slab designed for cavity wall applications. Treated with a water-repellent additive, it offers excellent moisture resistance, making it suitable for both fully and partially filled masonry cavity walls.

Available in thicknesses ranging from 75mm to 150mm, Ursa 35 Cavity Wall Batt provides flexibility for various construction needs, ensuring an effective fit for different cavity depths. With a thermal conductivity of 0.035 W/mK and a nominal density of 22 kg/m³, this insulation slab offers superior thermal performance, helping to reduce heat loss and improve energy efficiency in buildings.

Safety is a priority with Ursa 35 Cavity Wall Batt, as it is rated Euroclass A1—the highest classification for non-combustible materials. This ensures maximum fire protection for both residential and commercial projects.

Manufactured to meet BS EN 13162 and BBA 09/4624 standards, Ursa 35 Cavity Wall Batt delivers a reliable insulation solution, combining energy efficiency, fire safety, and moisture resistance for long-lasting performance in masonry cavity walls.