Expanding Foam Tape

Partel CONPRESeal™ 3V BG1 is suitable for easy and reliable perimeter sealing of windows and doors during any weather conditions. Its “moisture-adapting“ membranes ensure that the joint can dry out year-round, the polyurethane soft foam expands in the joint to provide a durable seal. This multi-functional tape provides excellent thermal, sound, air and rain insulation, making it the optimal choice for perimeter sealing.

Buy Now

Why Partel CONPRESeal 3V BG1?

Passive House Compliant Moisture Variable
  • Airtight (corresponds to the highest European standard for joint sealant tapes DIN 18542:2009 = BG R)
  • Heavy rain tightness to 1050 Pa in accordance with EN 1027
  • Its smart “moisture-adapting” membranes and μ-value of 7-44 ensure excellent performance for long-lasting dry connection joints, and moisture management
  • Triple-Layer Joint Sealing System – after installation, the polyurethane soft foam expands in the window or door joints and provides durable joint sealing
  • The expanding polyurethane soft foam compensates for movements of building components, such as those linked to temperature changes, even after many years
  • Breathable functional tape – diffusion open, water vapour flexible
  • UV/weather-resistant for passive houses and new construction in accordance with DIN 18542:2009
  • Provides excellent thermal and sound insulation
  • Highly innovative, multi-functional tape
  • Provide an impressive thermal, sound, air and rain barrier
  • Extremely low emissions, no VOC – EC1 Plus
  • Can be used in any weather conditions due to the protection layers


  • CONPRESeal 3VBG1 is recommended for reliable sealing of windows and doors for wood construction, prefabricated construction masonry, framework construction, and concrete construction
  • After the installation, the polyurethane soft foam expands in the joint and provides a durable joint sealing and an optimal vapour management

Passive House

Its thermal properties make it suitable for use in passive houses and for airtight installation. Partel CONPRESeal 3V BG1 achieved air-tightness levels well below the requirements of DIN 4108-2, with an an-value of almost 0.

New Building

CONPRESeal 3VBG1 fulfils or exceeds all of the requirements of DIN 4108-2 guidelines for installation of multi-functional tape in classic new construction. Long-lasting weather resistance.

Retrofitted Building

Seals need to ensure air-tightness in accordance with DlN 4108-2 with a value of an < 0.1 in renovation projects.

Thermal Insulation

CONPRESeal 3V BG1 can be used for thermal and noise insulation without restriction.


  • 64mm x 14.1m / Joint width 6-15mm (2-1/2’‘ x 46′ 3/8″ / Joint ¼“-5/8“)