Alumasc’s Derbigum waterproofing membrane is the only high-performance bituminous roofing membrane with a 40-year durability statement from the BBA (British Board of Agrément) that also includes zero falls.
Whilst some competitors’ may have 20 or 25-year durability statements, Alumasc’s Derbigum stands out for its proven reliability with a 40-year BBA durability statement – giving specifiers and end-users added confidence in the product’s longevity.
This BBA also includes for use as fully-bonded or partially bonded waterproofing on flat, pitched or zero-pitched roofs with limited access, and is the only bituminous membrane with proven 40-year durability and approval for zero falls installations.
Alumasc’s Derbigum systems have held a BBA certificate since 1980 and offer a variety of environmentally-beneficial characteristics including: membranes with high levels of recycled content; innovative CO2 neutralising membranes; energy efficient ‘cool’ roofs; and vegetal, non-bituminous solutions.
Click here to download your copy BBA certificate or call +44 (0)3335 771 500.
