DAFA UV Radon cable collar

The cable collar is used to provide an airtight seal of the Radon barrier around cable conduits and outlets.

DAFA UV Radon cable collar
DAFA UV Radon cable collar

DAFA UV Radon cable collar

DAFA UV Radon cable collar is a patented solution for sealing around penetrations for electrical junction boxes or cables through radon barriers. The cable collar ensures a completely airtight seal, and the simple installation means that sealing can be done quickly and securely.


DAFA Radon pipe collar 195 is made of black, soft, and flexible EPDM membrane, coated with a strong acrylic adhesive. The 1.2 mm thick EPDM membrane comes with pre-stamped markings. The membrane is permanently UV-resistant, and both the membrane and adhesive can withstand temperatures from -40 °C to +80 °C


  • DAFA UV Radon cable collar is a declared product in the Supply Chain Declaration Portal for New Construction Generation 4
  • Patented solution
  • Tested by the Danish Technological Institute
  • Saves energy due to airtight penetrations/joins
  • A single flexible gasket for all common cable dimensions
  • Simple, fast, and secure installation
  • It can be used for both cables and ceiling outlets (PL boxes).
  • 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

Dimensions / Item numbers

Download product sheet for further information