The Standard for trenchless sewer rehabilitation.

The iMPREGLiner is one of the glass-fibre pipe liners that is used most frequently for trenchless sewer rehabilitation throughout the world. With the GL01 and GL13 models of iMPREGLiner, we offer you the most up-to-date products for economic and effective execution of your projects in the field of sewer rehabilitation.


Simple and clean application on the job site as well as a long lifecycle of at least 50 years.

High Quality

Quality is defined by the correspondence of the requirement profile and the end product. Standards like:

  • Quality management system in accordance with ISO 9001
  • Environmental management system in accordance with ISO 14001
have been part of the monitoring of all customer-orientated and environmentally-orientated processes for years.

Our customer

Well-known rehabilitation and civil engineering companies around the world trust in its high quality and rehabilitate more than 400 km of damaged pipes annually using iMPREGLiner.


All common profiles such as circular, egg-shaped, mouth or box, as well as special profiles, can be rehabilitated with the iMPREGLiner. Our liner products cover all nominal diameters up to DN 1600.

Pipe rehabilitation
in China and Asia

Contact us for more information about the economical and effective rehabilitation of pipes using a GRP pipe liner and UV curing technology.