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

The product may also be used in masonry party/separating walls.

URSA CAVITY BATT 35 is a British Board of Agrément (BBA) approved, non-combustible glass mineral wool insulation cavity wall batt, manufactured with a water-repellent additive to resist moisture ingress. The flexible batt is supplied at 455 mm wide to allow friction fitting between standard vertical wall tie spacings, reducing the need for on-site cutting and waste.

Thermal Conductivity:

Declared thermal conductivity (lambda (λ) value) of 0.035 W/m·K.

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.

Density

Manufactured at a nominal density of 22 kg/m³.

Vapour Resistivity

The product has a nominal vapour resistivity of 5 MN·s/g·m.

Environmental Credentials

• Generic BRE Green Guide Rating of A+.
• Manufactured from up to 73% recycled glass.
• Contains no ozone-depleting substances or greenhouse gases.

Standards and Approvals

Manufactured in accordance with:

• EN 13162:2012+A1:2015 Thermal insulation products for buildings - Factory made mineral wool (MW) products.
• ISO 9001:2015 - Quality Management Systems (QMS). Certificate number: 01 100 1300949.
• ISO 14001:2015 - Environmental Management Systems (EMS). Certificate number: BQA_EMS_C_2016673.
• CE Marked to EN 13162:2012+A1:2015. Certificate number: 1163-CPR-0051.
• British Board of Agrément (BBA) certified for use in full and partial fill applications. Certificate number: 09/4624.

EUCEB (European Certification Board of Mineral Wool Products)

All URSA glass mineral wool products are made of non-classified fibres and are certified by EUCEB. EUCEB is a voluntary initiative by the mineral wool industry. It is an independent certification authority that guarantees that products are made of fibres which comply with the exoneration criteria for carcinogenicity (Note Q) of the Regulation (EC) 1272/2008. Certificate number: BEUC-511-46-376-46.