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Certificate 16/5385 Wonderbuilds Inc. Ltd. Wonderbuilds breather membranes. Wondervent for use in warm non-ventilated and cold ventilated roofs. Product sheet 1
Publication Year
2019
Document Status
Current
Abstract
Relates to WonderVent Breather Membranes comprising of a flexible three-layer polypropylene sheet for use as roof tile underlays in warm non-ventilated and cold ventilated pitched roofs. Key factors assessed include weathertightness, risk of condensation, wind loading, strength and durability.
Document History
Second issue, dated 19th September 2019. Originally certificated on 21st February 2017.
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.
Bucknalls Lane
Watford
BBA
UK
Website: http://www.bbacerts.co.uk
Email: clientservices@bbacerts.co.uk
Tel: +44 (0) 1923 665300
