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Certificate 86/1593 Alumasc Building Products Ltd. Derbigum roofing membranes. Derbigum Black and Mineral. Product sheet 1
Publication Year
2019
Document Status
Current
Abstract
Relates to glass and polyester reinforced, atactic polypropylene polymer-modified bitumen membranes to be used as fully- or partially-bonded waterproofing on flat or pitched roofs with limited access, Key factors assessed are weathertightness; properties in relation to fire; resistance to wind uplift, mechanical damage and root penetration; and durability.
Document History
Fifth issue, dated 14th March 2019, amended 20th October 2020. Supersedes the fourth issue, dated 26th October 2014. Originally certificated on 17th March 1986.
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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