Company Presentation
Who we are... Siebert + Knipschild is the leading CIPP testing lab in Germany – with nearly 6000 CIPP samples a year
Who we are.. We conduct the DiBt approvals on behalf of many important CIPP system providers in Germany and Europe.
Who we are… Our focus is on testing of composites worldwide, also in the field of sealing systems and manhole renovation
How it had begun …. The Company was founded in 1983 in Oststeinbek near Hamburg. Founder Rolf Siebert († 2010) attended the first steps of CIPP in Germany and is regarded as the pioneer in CIPP quality management.
Where you find us… Headquarter in Oststeinbek Hamburg area Office in Hamm Northrine Westfalia Office in Munich Bavaria
Where our clients come from...
Our team: Management Laboratory Office inspection team Subsidiaries
Our areas of service Sealing systems Sewer rehabilitation Plastic products Approvals
Accreditation Deutsche Akkreditierungsstelle GmbH (DAkkS) is the national accreditation body for the Federal Republic of Germany with its head office in Berlin. It assesses, certifies and monitors the technical competence of laboratories, certification and inspection bodies as an independent authority. In this context DAkkS makes an important contribution to the quality assurance of products and services, supports consumer trust and enhances the competitiveness of German companies. Siebert + Knipschild / Accreditation inspection body: D-IS-11222_01-00 Siebert + Knipschild / Accreditation laboratory: D-PL-11222-01-00
Accreditation Accreditation The laboratory of Siebert + Knipschild has got the international approval by the ILAC. The International Laboratory Accreditation Cooperation is an international cooperation of laboratory and inspection accreditation bodies. Governments, procurers and consumers can have confidence in the calibration and test results, inspection reports and certifications provided. EU Notification Siebert + Knipschild is nominated under EU law as testing laboratory for plastic products in compliance with EN45001 - EN ISO/IEC 17025. The notification is valid for prefabricated sewer pipes outside of buildings.
Our main testing methods
Our main testing methods
Our main testing methods
Our latest invention: Cyclical Pressure Tube Test Simulates real conditions of pressure pipes, e. g. CIPP Continuously alternating load: Low-pressure (-0.9 bar) and High-pressure (max. 10 bar) Up to DN 500 Invention supported by innovation fund of Federal Ministry for Economic Affairs
Your Contact Persons Siebert + Knipschild GmbH Bergstücken 25 22113 Oststeinbek GERMANY Ph: + 49 (0)40 / 68 87 14 - 0 Fax: + 49 (0)40 / 68 87 14 - 99 E-mail: info@siebert-testing.com Andreas Haacker Dipl.-Ing., Manager Stefan Schwarzer B. Eng., Engineer, International service