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.

• 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 <0.1 m³/(m²h), to DIN EN 12114
• Suitable for internal and external creation of permanent airtight and/or windtight connections