Certificate 17/5425 Hambleside Danelaw Ltd. Danelaw LR135 and LR180 breather membranes. For use in warm non-ventilated and cold ventilated roofs. Product sheet 1
Publication Year
2017
Document Status
Withdrawn
Abstract
Relates to flexible three-layer polypropylene sheet materials suitable for use on warm non-ventilated and cold ventilated pitched roofs as roof tile underlays. Key factors assessed were weathertightness, risk of condensation, wind loading, strength and durability.
Document History
Superseded by the second issue, dated 3rd February 2020. Date of first issue: 30th May 2017, amended 16th January 2018.
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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