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Dörrkuplast® E-3 sk/Safeguard

Self-adhesive Elastomer bitumen sheet with woven glass reinforcement with a safety stitch in a thickness of 3 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 has a fleece and the downside is foil-laminated / 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.

The outer half of the longitudinal seam overlap has a double-sided foil lamination. This guarantees a safe scarfing of the overlap because the inner section is already adhered by the self-adhesive bitumen mass. Therefore, a flame entry into the ground is prevented.



Dörrkuplast® E-3 sk/Safeguard is as a self-adhesive bitumen waterproofing sheet with flame protection used for flat roofs as an intermediate layer.
The fleece lamination favors a visually clean work of the waterproofing top layer.

  • Coating

    Self-adhesive elastomer bitumen
  • Reinforcement

    Woven glass
  • Surface texture upside

  • Surface texture downside

    Silicone peel-off film, safety stich
  • Thickness

    3.0 mm
  • Width/length of the sheet

    1 x 10 m = 10 m²
  • E-3 sk according to ÖNORM

    B 3660

Fields of Application

- Flat Roof as intermediate layer sheet
  (safety stich)