Certificates

Construction technology, building materials and recycling.

We believe in the implementation of sustainable products and working methods.

Here you can find an overview of our certifications in the areas of recycling, environmental management and construction technology.

Overview

(Images only in German)

  • Specialist disposal company, recycling plant
  • Member of “Güteschutz Kanalbau”
  • Register certificate – Location Weilburg
  • Register certificate – Location Oberursel
  • RAL Quality Mark Semi Rigid Cover Layers
  • Prequalification
  • WHG certificates
  • Hazardous substance protection price
  • Certificates of conformity
  • Quality Association for Underground Pipeline Construction

Download all of the certificates in a bundle (German only):

Download our environmental policies (German only):

Specialist disposal company, recycling plant

Member of “Güteschutz Kanalbau”

Register certificate – Location Weilburg

Register certificate – Location Oberursel

RAL Quality Mark Semi Rigid Cover Layers

Prequalification

WHG certificate (Road construction & civil engineering)

WHG certificate (Mastic asphalt & sealing)

Hazardous Substance Protection Prize

Certificate of conformity

Quality Association for Underground Pipeline Construction

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