Masonry Cavity walls

URSA CAVITY BATT 32 & URSA CAVITY BATT 35 are British Board of Agrément (BBA) approved, non-combustible glass mineral wool insulation cavity wall batts.

The products are designed to provide thermal insulation in full or partial fill in new external masonry cavity walls, up to 25 metres in height for full fill and without restriction for partial fill in buildings of a domestic and non-domestic nature. Additional requirements apply for buildings above 12 metres in height for full fill and above 25 metres in height for partial fill, please refer to the product BBA certificate for more information.

URSA CAVITY BATT 32 & URSA CAVITY BATT 35 are BBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).

Thermal Performance: Declared thermal conductivity (lambda (λ) value) of:

• URSA CAVITY BATT 32 = 0.032 W/mK.
• URSA CAVITY BATT 35 = 0.035 W/mK.

Fire Classification: Deemed non-combustible with a fire classification of Euroclass A1 (the highest possible rating) when tested to EN 13501-1:2018 Reaction to Fire.