Definitions for "MODIFIED BITUMEN"
Asphalt compound made more water resistant and durable with the addition of polymers. Applied as a water resistant coating for types of roofing or as a preservative coating on wood.
a bitumen modified by one or more polymers, such as Atactic Polypropylene (APP) or Styrene Butadiene Styrene (SBS).
Bitumen modified by special processing, generally with the addition of SBS type rubber or atactic polypylenes (APP). Some are non-reinforced, while others are reinforced with polyester, polyvinyl acetate, fiberglass, polypropylene or aluminum foil.