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Dörr-Tirotect E-KV-20/Profi-Nsk

Seam-self-adhesive elastomer bitumen waterproofing sub roof sheet with synthetic fleece in a thickness of 2 mm.


Elastomer bitumen is highly elastic ("rubbery") and thereby remains flexible even at low temperatures.
The synthetic fleece reinforcement is particularly durable, has excellent tensile strength and is resistant to static and dynamic stresses.


The surface texture upside has a red fleece and the downside has a fleece.
With the red fleece lamination slip resistance is increased, and thus a safe walking on the sub roof layer possible.

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.



Dörr-Tirotect E-KV-20/Profi-Nsk is used as a bitumen roof covering (especially for tile and metal covering) as a bitumen sub roof sheet for normal rain proof sub roofs.

  • Coating

    Seam self-adhesive elastomer bitumen
  • Reinforcement

    Synthetic fleece
  • Surface texture upside

    Red fleece
  • Surface texture downside

  • Thickness

    2.0 mm
  • Width/length of the sheet

    1 x 15 m = 15 m²
  • E-KV-20 according to ÖNORM

    B 3661

Fields of Application

- Sub Roof
   (for normal rain-proof application)