DensDefy® Transition Membrane

  • 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, 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
  • Conforms to requirements of AAMA 711

Product Details

DensDefy® Transition Membrane is 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. DensDefy® Transition Membrane bonds to most surfaces such as glass mat gypsum sheathing, poured concrete, masonry, steel, and wood based substrates.

FEATURES AND BENEFITS

  • The high-performance butyl has been tested as is compatible with the DensElement® Barrier System.
  • Primerless application allows for faster installation time.
  • Manufactured to a preset, uniform thickness that will not create excessive build up in rough openings while still providing exceptional strength/durability.
  • Rugged HDPP film protects high-performance butyl membrane against incidental damage during the construction process.
  • Variety of widths available for project specific needs.
  • Ability to be installed in a wide range of temperatures.

Product Specifications

TECHNICAL DATA

TestResultMethod
Tensile Strength
(AAMA 711 Section 5.1)
MD
CMD


1350 psi
1138 psi
ASTM D1970
Section 7.3
Nail Sealability
(AAMA 711 Section 5.3)
PASSASTM D1970
Elongation442%ASTM D412
Water Absorption0ASTM D570
AAMA 711PASSASTM C765
ASTM D903
ASTM D3330
Method F
Water Vapor Permeability0.05 permsASTM E96
Method A
Water Vapor Permeability0.07 permsASTM E96
Method B

PHYSICAL ATTRIBUTES

Length75′ (22 m)
Width6″ (15 cm) 8 rolls/box
9″ (22 cm) 4 rolls/box
12″ (30cm) 4 rolls/box
ColorsGold HDPP facer with Black DensDefy™ logo

Resources

Specifications
Warranties
DensDefy Transition Membrane Exemption Letter
DensDefy Transition Membrane Installation Guide
DensDefy Transition Membrane Product Data Sheet
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DensDefy Transition Membrane Limited Warranty Canada English
DensDefy Transition Membrane Limited Warranty Canada French
DensDefy Transition Membrane Limited Warranty Spanish
DensDefy Transition Membrane Limited Warranty USA English
DensDefy Transition Membrane Limited Warranty USA French
DensDefy Transition Membrane Limited Warranty USA Spanish
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