Armourbond Flash HD Self-Adhering Base Sheet Flashing incorporates a tough composite reinforcement of non-woven polyester strengthened with a glass fiber scrim in both machine and cross directions that is coated with select SBS polymers and premium asphalt to a thickness of approximately 2.5 mm (98 mils). A thin micro-perforated film covers the top surface of the product, while the self-adhering underside is covered by a removable silicone treated release film. Armourbond Flash HD may be placed in flame-sensitive areas for flashing details.
