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DERBIGUM

Our flagship product: unparalleled protection of your building and its contents against water damage. Unmatched value for your long-term roofing investment.

The DERBIGUM membrane is made from a patented bitumen-polymer matrix with dual reinforcements for unrivaled strength, stability and longevity. Exceeding industry and regulatory requirements, DERBIGUM is also available in a fire rated formula.

DERBIGUM is accompanied by many options in materials and application solutions to fit a variety of buildings, climates and cost considerations.

Contractors spend less time on the roof and create fewer disruptions for the building’s occupants. After installation, DERBIGUM is easy to clean and maintain.  With DERBIGUM’s proven 30-years of in-place performance, your investment will stand the test of time.

Discover what makes DERBIGUM so different

Solution Sheet


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DERBIGUM GP

A patented bitumen-polymer matrix with dual reinforcements for unparalleled strength and proven 30-year longevity.

DATA/MSDS
DERBIGUM GP-FR

DERBIGUM GP with the added benefit of meeting FM and UL Class A requirements without additional surfacing or coating.

DATA/MSDS
DERBIGUM XPS

The premium cap sheet with triple reinforcement for superior tensile properties and puncture resistance.

DATA/MSDS
DERBIGUM XPS-FR

The premium triple reinforced cap sheet with the added benefit of meeting FM and UL Class A requirements without additional surfacing or coating.

DATA/MSDS