Product Documents

  • High quality 2.0 mm (80 mil) smooth surfaced APP Modified
  • Bitumen Roofing Membrane designed as a base or ply sheet
  • Derbigum’s exclusive blend of APP (atactic polypropylene) polymers and select asphalts enhances the weathering capabilities and UV resistance of the membrane.
  • Mid reinforced with a heat resistant non-woven fiberglass mat that increases the membrane’s strength and durability while still maintaining flexibility
  • DERBIBASE is a completely water-proof base ply for field and flashings when side and end laps are heat welded.
  • Product can also be applied with PERMASTIC Cold Adhesive or mechanically fastened.

Product Properties

Installation Method
PERMASTIC Cold Adhesive or mechanically fastened
Heat resistant non-woven fiberglass
2.0 mm (80 mil)

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