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Dörr-Gardentop E-Cu-5K-wf

Elastomer bitumen sheet with copper tape + fiber reinforced glass fleece with a thickness of 5 mm.
The bitumen sheet is root resistance according to LDA-Procedure.


Elastomer bitumen is highly elastic ("rubbery") and thereby remains flexible even at low temperatures.
The copper tape + fiber reinforced glass fleece is particularly resistant against root entry.


The surface texture upside has fine granule and the downside is foil-laminated.
The bonding is done by means of torching or welding procedure.



Dörr-Gardentop E-Cu-5K-wf is used as a bitumen waterproofing sheet for flat roofs particularly for green roofs as root resistant top layer.

  • Coating

    Elastomer bitumen
  • Reinforcement

    Copper tape + fiber reinforced glass fleece
  • Surface texture upside

    Fine granule
  • Surface texture downside

  • Thickness

    5.0 mm
  • Width/length of the sheet

    1 x 7.5 m = 7.5 m²
  • Resistance to root penetration after 

  • E-Cu-5-wf according to ÖNORM

    B 3660

Fields of Application

- Green Roof as top layer