With over 45 years of experience in the design and manufacturing of expansion joints, our engineering group is proud of offering fast and economical solutions with high quality, utilizing modern technologies.

Politeknik has been a part of KLINGER Group since 2016.

KLINGER was founded in 1886 as a family business and is known as a pioneer in sealing technology. Serving a global client base, it delivers trusted products worldwide for petro-chemical, chemical, process industries, infrastructure, and transportation applications. Today, the Group comprises of 40 companies and more than 60 manufacturing, distribution and service hubs worldwide.


  • Application expertise
  • Product trainings
  • Fast quotation and order processing 
  • Customer-specific solutions
  • On-site technical support


  • High level knowledge
  • Product tests in the in-house technical center
  • A wide range of certificates and approvals


  • Flexible production
  • Short delivery times
  • Fastest logistic support