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

Sealed surfaces

Sealed surfaces

Sealed surfaces are surfaces covered by structures. Sealing is therefore mentioned because no more rainfall can penetrate into the soil from above and therefore many of the processes normally occurring there are stopped.

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