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Smart airtight and windtight sealing tape

Partel VARA™ Seal SL tape is equipped with strong acrylic adhesive, with extremely high resistance to moisture, and it’s suitable for internal and external applications, especially for sealing of overlaps, windows, doors and corners in any type of buildings.

The highest Passive House “phA Class” rating ensures the best energy efficiency standard for your low-energy project.

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Why Partel VARA™ Seal SL?

  • High shear strength
  • Can be plastered
  • High-performance airtight tape
  • Resistant to weathering, UV stability
  • Lifetime* design – excellent ageing resistance due to the strong acrylic adhesive
  • Withstands a damp climate
  • Extremely stable
  • Moisture variable
  • Environmentally friendly – free of solvents and emulsifiers
  • Outdoor exposure up to 3 months
  • VARASeal SL has split release backing for quick installation
  • Airtight connections to DIN 4108-11

SL version

  • During application, 2 rear liners can be removed separately to facilitate easy installation


  • Internal and external use
  • Overlaps, Windows, Doors, Corners


  • 80mm x 25m (3-1/8” x 82’)
  • 150mm x 25m (5 7/8” x 82’)
  • 200mm x 25m (7 7/8” x 82’)