Sewer rehabilitation site samples

Samples taken on the building site and tested in the lab reflect the quality of the CIPP. However, if the sampling process is flawed that may have serious implications for the assessment of the rehabilitation project. Samples should be taken by qualified independent experts.  


This is how your site sample gets to us:


You take the sample (refer to: sample cover document in the download area) and send it directly thereafter to


Siebert + Knipschild GmbH

Bergstücken 25

D-22113 Oststeinbek