Certificate 86/1593 Alumasc Exterior Building Products Ltd. Derbigum roofing membranes. Derbigum Black and Mineral. Product sheet 1

Publication Year

2019

Document Status

Withdrawn

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

Superseded by the 20th October 2020 amendment. Date of fifth issue: 14th March 2019. Supersedes the fourth issue, dated 26th October 2014. Originally certificated on 17th March 1986.

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