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Certificate 96/3271 BMI Group UK Ltd. Xtra-load damp-proof course systems. Xtra-load Alumite gas resistant DPC. Product sheet 4

Publication Year

2021

Document Status

Current

Abstract

Relates to a polymer-modified bitumen membrane with aluminium foil inter-ply, reinforced by polyester fabric; used as a gas-resistant, damp-proof course in masonry walls. Key factors assessed were behaviour under load; resistance to water, water vapour and underground gases; compatibility with other materials; and durability.

Document History

Fourth issue, dated 31st March 2021. Supersedes the third issue, dated 20th October 2014. Originally certificated on 18th February 2009.

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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