Air­tight plugs for con­duits



  • Quick and easy air­tight seal­ing in ac­cord­ance with DIN 4108-7, SIA 180 and OENORM B8110-2
  • Flex­ible press-out mem­brane seals around cables of vari­ous dia­met­ers
  • Easy to pierce with nails or cart­ridge nozzles
  • Multi-layered seal­ing lips en­sure op­tim­um con­nec­tion to pro­filed pipes
  • Can be used for more than one cable
  • Can be re­moved at a later date


The seal­ing plugs STOPPA are used for the quick and last­ing, se­cure air­tight in­stall­a­tion of cables in con­duits in ac­cord­ance with DIN 4108–7. Con­duit grom­mets (e.g. ROFLEX 20 or ROFLEX 20 multi) are avail­able for the air­tight con­nec­tion of con­duits to the va­pour re­tarder and air­tight­ness mem­brane.

Material Thermoplastic elastomer (TPE)
Attribute Value Norm
Colour blue
Conduit outer diameter 25 mm ; 0.98"
Conduit inner diameter 19.5 mm ; 0.77"
Application temperature > -10 °C ; 14 °F
Temperature resistance permanent -50 °C to 90 °C ; -58 °F to 194 °F
Storage cool and dry