Derbigum – The U.K.’s highest performance bituminous roofing membrane with a 40-year BBA durability statement now also includes zero falls.
Alumasc’s Derbigum waterproofing membrane is the only high-performance bituminous roofing membrane with a 40-year durability statement that also includes zero falls from the BBA (British Board of Agrément).
Agrement Certificate 86/1593
Whilst other competitors’ may have durability statements that are typically for 20 or 25 years, Alumasc’s Derbigum stands out for its proven reliability with a 40-year BBA durability statement, which gives specifiers and end-users added confidence as to the product’s in-service longevity. This BBA now 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 on the market with proven 40-year durability and approval for zero falls installations.
With a proven track record of success, Alumasc’s Derbigum systems have held a BBA certificate since 1980 and offer a variety of environmentally-beneficial, sustainable characteristics: including membranes with high levels of recycled content; innovative CO2 neutralising membranes; energy efficient ‘cool’ roofs; and vegetal, non-bituminous roofing solutions.