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Dörrkuplast® E-KV-4K/V

Elastomer bitumen sheet with synthetic fleece with a thickness of 4 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 fleece and the downside is foil-laminated.
The bonding is done by means of torching or welding procedure.



Dörrkuplast® E-KV-4K/V is used as a bitumen waterproofing sheet for flat roofs as top layer with load, as intermediate layer sheet or for pitched roofs “Tirol Color Roof” as 1st layer.

The fleece lamination favors a visually clean work of the waterproofing top layer sheet.

  • Coating

    Elastomer bitumen
  • Reinforcement

    Synthetic fleece
  • Surface texture upside

  • Surface texture downside

  • Thickness

    4.0 mm
  • Width/length of the sheet

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

    B 3660, B 3665, B 3666, B 3669

Fields of Application

- Flat Roof
   Intermediate- and top layer sheet
   with load

- Pitched Roof, 1st layer