Smart airtight and windtight sealing tape Partel VARA™ Seal SL tape is a high-performance tape with a humidity variable Sd value and an extremely strong, moisture resistant acrylic adhesive for excellent adhesion. It is 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. Why Partel VARA SEAL SL Tape? Smart moisture variable tape with vapour resistance according to the ambient relative humidity (RH) – maximising dry connections all year round Ensures optimum moisture flow through building structures with an Sd range of 0.4 m to 30 m Passive House Certified airtight system – phA Class Airtight connections to DIN 4108-11 Features an air permeance value of
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