Certificate 12/4940 Dörken GmbH and Co KG. DELTA membranes. DELTA breather membranes for walls. Product sheet 1
Publication Year
2016
Document Status
Withdrawn
Abstract
Relates to polypropylene breather membranes for use in timber-frame walls as a protection against external moisture. Key factors assessed were weathertightness, condensation risk, properties in relation to fire and durability.
Document History
Superseded by the fourth issue, dated 20th November 2019. Date of second issue: 21st July 2014, amended February 2019. Supersedes the first issue. Originally certificated on 9th November 2012.
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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