Certificate 16/5385 Wonderbuilds Inc. Ltd. Wonderbuilds breather membranes. Wondervent for use in timber-frame constructions. Product sheet 3
Publication Year
2017
Document Status
Withdrawn
Abstract
Relates to a flexible three-layer polypropylene sheet to be used in timber-frame walls with a cavity and a masonry outer leaf, weatherboarding or tile/slate cladding. Key factors assessed were weathertightness, risk of condensation, strength, properties in relation to fire and durability.
Document History
Superseded by the second issue, dated 19th September 2019. Date of first issue: 21st February 2017 (amended February 2019).
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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