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Dörrkuplast® E-4 sk

Elastomer bitumen sheet with woven glass fleece with a thickness of 4 mm.


Elastomer bitumen is highly elastic ("rubbery") and thereby remains flexible even at low temperatures.
The woven glass reinforcement is dimensional stable, smooth in process and has excellent resistance to tearing. The surface texture upside is foil-laminated and the downside has a silicone peel-off film.


The bonding is done by removal of the special foil. In order to ensure save adhesion of the sheet, we recommend a minimum temperature of +10°C (air and surface) during the application. If necessary, the self adhesive sheet shall additionally be activated with a hot air gun or a flame gun.



The Dörrkuplast® E-4 sk is used as a bitumen waterproofing sheet for flat roofs as intermediate layer sheet and for building Systems.

  • Coating

    Self-adhesive elastomer bitumen
  • Reinforcement

    Woven glass
  • Surface texture upside

  • Surface texture downside

    ASilicone peel-off film
  • Thickness

    4.0 mm
  • Width/length of the sheet

    1 x 10 m = 10 m²
  • E-4 sk according to ÖNORM

    B 3660, B 3665

Fields of Application

- Flat Roof as intermediate layer sheet

- Building Systems