
URSA CAVITY BATT 35
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 455mm wide to allow friction fitting between standard vertical wall tie spacings, reducing the need for on-site cutting and waste.
Technical information
Application
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.
Thermal Conductivity
Declared thermal conductivity (lambda (λ) value) of 0.035 W/mK.
Density
Manufactured at a nominal density of 22 kg/m³.
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.
Product Specification
Thickness (mm) | Length (mm) | Width (mm) | Batts Per Pack | Pack Area (m²) | Packs Per Pallet | Pallet Area (m²) | Thermal Resistance (m²K/W) | Product Code |
75 | 1350 | 455 | 8 | 4.91 | 30 | 147.42 | 2.10 | 2143385 |
100 | 1350 | 455 | 6 | 3.69 | 30 | 110.57 | 2.85 | 2143396 |
125 | 1350 | 455 | 5 | 3.07 | 30 | 92.14 | 3.55 | 2143398 |
150 | 1350 | 455 | 4 | 2.46 | 30 | 73.71 | 4.25 | 2143671 |
Vapour Resistivity
The product has a nominal vapour resistivity of 5 MNs/gm.
Environmental Credentials
- The primary packaging on our products (rolls and slabs) and pallets (the shrink hood) are wrapped in low-density polyethylene (LDPE4) plastic, which contains a minimum 30% recycled material and is fully recyclable. The secondary packaging on our products (grouping rolls and slabs into modules of 3-6 packs) is low density polyethylene (LDPE4) virgin plastic. Before recycling, please consult your local authority for guidance.
- ISO 14001:2015 – Environmental Management Systems (EMS) certified. Certificate number: BQA_EMS_C_2016673.
- Contains no ozone-depleting substances or greenhouse gases.
- Manufactured from up to 73% recycled glass.
- Generic BRE Green Guide Rating of A+.
Standards and Approvals
Manufactured in accordance with:
- EN 13162:2012+A1:2015 Thermal insulation products for buildings - Factory made mineral wool (MW) products.
- EN 13172: 2012 Thermal insulation products – Evaluation of conformity.
- ISO 9001:2015 – Quality Management Systems (QMS). Certificate number: 01 100 1300949.
Certification
- 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.
Handling & Storage
The product should be stored properly and handled in such a way as to ensure that the product remains clean and undamaged.
The product is supplied compression packed in polythene to provide short term protection only. For long term protection, the product must be stored indoors, or under a waterproof covering and off the ground to protect from weather damage. The product should not be left permanently exposed to the elements.
NBS Specification
Click here to add this product to your NBS Specification
If you require historical versions of product documentation, or documents relating to any discontinued products, please contact URSA at technicalursa.uk@etexgroup.com