Send your CIPP sample

You take the sample, fill in the sample cover document and send it directly thereafter to


Siebert + Knipschild

Bergstücken 25

D-22113 Oststeinbek



How should the sample look like? See our manual!

Your partner where quality matters

Our testing lab is one of the leading institutes in Germany in the area of testing of plastic materials and composites. Our tests cover the full range of the plastic industry and plastic processing. Our main focus is on testing plastic tube and sewer rehabilitation, especially CIPP. The second business focus is on testing and supervision of sealing systems at landfill sites.


We provide tests and approvals in these areas:


Sewer renovation



Phone number:

+49 (0) 40 688714-0


Siebert + Knipschild GmbH

Bergstücken 25

22113 Oststeinbek

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