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DensDefy Transition Membrane

An impermeable, self-adhered sheet designed for use as a rough-opening flashing and transition membrane for connecting dissimilar materials to maintain air and moisture barrier continuity.

  • 25-mil composite impermeable membrane
  • Comprised of 16 mils of butyl adhesive and 9 mils of HDPP facer
  • Bonds to most surfaces, such as glass mat gypsum sheathing, poured concrete, masonry, steel and wood-based substrates
  • Ideal for drift or control joints, vertical expansion joints, gaps greater than 1” and transitions between dissimilar materials
  • Primerless application allows for faster installation time
  • May be exposed to normal weather conditions for up to 12-months
  • Backed by a Georgia-Pacific limited warranty
  • AAMA 711 Certified

A high-performance, self-adhered flashing tape used to treat roof joints and seams.  Made with an acrylic adhesive and proprietary film, this tape offers exceptional durability and tear resistance once installed.

  • Seals sloped roof seams and joints against air and moisture infiltration
  • Excellent conformability for bonding around curves and corners
  • High-performance film offers tear and impact resistance
  • Compatible with many sealants
  • May be applied in temperatures as low as 20°F
  • AAMA 711-13 compliant