DerbiBase Ultra

Product Documents

  • High quality 3.0 mm (120 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 fiberglass mat that increases the membrane’s strength and durability
  • DERBIBASE Ultra 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,
  • heat welded or mechanically fastened.

Product Properties

ASTM
D6509-16
Installation Method
PERMASTIC Cold Adhesive, heat welded or mechanically fastened
Reinforcement
Fiberglass mat
Thickness
3.0 mm (120 mil)

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