Novelty DACH+HOLZ 2024

DAFA Renovation Collar

The DAFA Renovation Collar is part of the DAFA AirStop System. It is a highly flexible sealing solution used for air-tight sealing of the climate envelope in the event of penetrations of existing pipes and cables during renovation tasks.

DAFA Renovation Collars are used for air-tight sealing of the climate envelope in the event of penetrations of existing pipes and cables during renovation tasks. The collar is mounted directly on the substrate simply, quickly and safely. Self-vulcanizing, with a minimum overlap of 20 mm

Material

The product consists of a black, soft, stretchable, UV-resistant, self-vulcanizing polyisobutylen. The back of the butyl is coated with a very strong acrylic adhesive. The adhesive is specially developed for sealing and laminating all types of vapor barriers, wind barriers, roofing membranes, and radon barriers.

Dimensions

  • Ø115 with Ø4 mm hole - for cables/pipes from Ø5 to Ø20 mm
  • Ø160 with Ø25 mm hole - for pipes from Ø30 to Ø50 mm
  • Ø250 with Ø75 mm hole - for pipes from Ø80 to Ø125 mm
  • Ø300 with Ø130 mm hole - for pipes from Ø140 to Ø180 mm

Product benefits

  • Seals and seals during renovation projects
  • Self-vulcanizing
  • Extremely stretchable
  • Energy-saving due to tight penetrations/joints
  • Only one flexible packing for common pipe dimensions/exhaust channels
  • Mounted without the use of sealant, glue, grouting, etc.