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Certificate 12/4940 Dörken GmbH and Co KG. DELTA membranes. DELTA breather membranes for walls. Product sheet 1

Publication Year

2019

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Withdrawn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, strength, properties in relation to fire and durability.

Document History

Certificate withdrawn 18th March 2021. Date of fourth issue: 20th November 2019. 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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