BE-13 Renovation: Lining with Cured-In-Place Pipes - P...

Preparatory Work

Pre-Sealing for Infiltrating Ground Water

In the case of strongly infiltrating groundwater, a pre-sealing, e.g. by injection, is required depending on the applied installation method. Only materials that have been proven to be environmentally compatible are permitted for injection. The tightness of the repair site must be ensured at least until completion of all services.


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