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Certificate 25/7449 Etex UK Insulation Ltd. Ursa cavity wall insulation. Ursa Cavity Batt 32 insulation for full fill application. Product sheet 2
Publication Year
2025
Document Status
Current
Abstract
Relates to a lightweight, non-combustible, unfaced glass mineral wool batt for use as full fill thermal insulation in external masonry cavity walls of domestic and non-domestic buildings up to 25 metres in height. The product is treated with a silicon-based water-repellent additive and is available in a wider range of thicknesses, including options for multi-layer installation. Key factors assessed include thermal performance, water resistance, condensation risk, fire behaviour, durability, and compliance with updated Building Regulations covering energy efficiency, sustainability, and nearly zero-energy building standards.
Document History
22nd October 2025 edition. Supersedes Ursa UK Ltd cert no. 09/4624 Fourth issue dated 15th June 2021, third issue, dated 23rd July 2015; amended June 2017 and April 2019. Originally certificated on 7th August 2009.
Publisher Information
British Board of Agrément
The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.
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