iMPREG® GL01 (styrene free) Liner Full Length UV Cured Lining System



To assess the iMPREG®-Liner GL01 (styrene free) system as manufactured by iMPREG GmbH for the renovation of gravity sewers and drains.

The system is applicable to sewer and drains of internal diameters from 150mm to 1200mm and egg shaped pipes between 200mm x 300mm (DN252mm equivalent) and 1000mm x 1200mm (DN1262mm equivalent).

It is not applicable to:

  • the leak tightness of end seals;
  • the reconnection of the laterals.

Product Description

The system comprises a glass fibre reinforced woven sleeve which is factory impregnated with an ultra violet (UV) light curing polyester or vinyl ester thermosetting resin. When installed and cured this forms a full length cured-in-place structural liner within the host pipe.

Full details can be found in the Assessment Schedule opposite.

Approval period

10th September 2020 - 10th September 2025

Click on certificate to enlarge

View Assessment Schedule.