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Tescon Vana 2 3/8″ Tape


All-around airtight, vapor-open, SOLID acrylic adhesive tape for 100-year tested airtight bonding of membranes and sheathing.

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It can be used on the interior or exterior of the building.

Dimensions: Available in the following roll widths:

  • 23⁄8” (60 mm)

All rolls are 98’5″ (30 m) long


  • Best in class airtight tape, PHI certified Class A, third party tested for 100-year adhesion
  • Pressure activated adhesive bond grows stronger over time, allows for easy tape repositioning pre-pressurization
  • Waterproof, rated for 6 months exposure, yet vapor-open at 8 perms to ensure assemblies can dry out
  • Designed for optimizing indoor air quality, occupant health and safety


  • Bonds to Pro Clima materials, solid wood surfaces, polyethylene, metal, foil, housewraps, sheathing, and more
  • In combination with TESCON Primer RP, adheres to soft/porous wood insulation panels, concrete, sheetrock, rough OSB and brick


  • Perm Rating: Perm 8 (Sd value:0.4m) for enhanced outward drying potential.
  • Release paper: split release paper, for easy application on two side of seams, inside corners, etc.
  • Adhesive: durable waterproof tape adhesion (SOLID acrylic adhesive).
  • UV/weather Resistance: 6 months of exposure.
  • Tensile Strength:
  • Polypropylene backing forms itself to slightly uneven substrates.


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