Otto Graf GmbH
Plastic Products
Tel. +49 7641 589-0
Fax +49 7641 589-50
export@graf.info
www.graf-water.com
Carl-Zeiss-Straße 2-6
DE-79331 Teningen, Germany

You need rainwater retention? We have the solution!

Retention systems, i.e. rainwater retention is playing an increasingly more important role in the reduction of hydraulic peaks and thus helps relieve strain on the public sewer network, particularly in new construction areas. GRAF can offer you a range of solutions here!

Detention cisterns

Here you will find GRAF detention cisterns for retaining rainwater and relieving the strain on the public sewer network.

Planning, sizing and designing retention systems with EcoBloc storage modules

Planning and sizing

GRAF retention cistern combine rainwater retention and rainwater harvesting.

Retention cisterns

Retention with storage modules welded into waterproof plastic liner.

Retention with Storage Modules

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http://www.graf-water.com/retention.html