DAFA universal pipe collars are used to seal around round and rectangular pipe penetrations.
DAFA universal pipe collar
DAFA universal pipe collars are part of the DAFA AirStop System and are a patented solution used for sealing the vapor barrier around pipe penetrations. Attach the collar directly to the vapor barrier – quickly, simply and securely.
The product consists of black, soft and flexible EPDM membrane coated with a very strong acrylic adhesive. The adhesive has been specially developed for sealing and laminating PE and PP vapor barriers. The product has been tested by the Danish Technological Institute. The 1.2 mm thick EPDM membrane comes with pre-stamped markings.
DAFA universal pipe collars is included in the Nordic Ecolabellings database of construction products that can be used in Swan-labelled buildings.
Type 345 has been tested by the Danish Technological Institute for air tightness at 50 Pa
Saves energy due to airtight penetrations/joins
A single flexible gasket for all common pipe dimensions/exhaust ducts
Simple, fast and secure installation
No special tools required
Installed without the need for subsequent sealing, gluing, caulking, etc.
The EPDM membrane and adhesive can both withstand -40°C to +100°C
Air tightness for spiral pipes is 0.07 l/s per pipe at 50 Pa.