Black Butyl-based sealant, used for sealing membrane seams, edges of flashing details, and membrane splices made with FasSeal adhesive.

  • Yields approximately 200 lineal ft. per box of ten 10.3 oz. tubes @ ¼” bead
  • Inhibit infiltration of moisture into completed adhesive areas
  • Easy application in most temperatures with consistent performance
  • Easy to extrude, tube packaging

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