Quality CIPP Liners

Sewertronics offers a smart selection of invertible liners for vertical, lateral, in-house and mainline LED trenchless pipe rehabilitation.

Partnering with global leaders in the production of liners, we have optimized felt and fiber-glass products to perfectly couple our LED curing systems and resins.








Sewertronics Liners

Sewertronics offers a smart selection of invertible liners for vertical, lateral, in-house and mainline LED trenchless pipe rehabilitation.
Partnering with global leaders in the production of liners, we have optimized felt and fiber-glass products to perfectly couple our LED curing systems and resins.

Felt liners: needled and seamless knitted products.

Our quality felt liners curve, stretch and accommodate up to 90° bends, and are specifically developed for optimal results in a wide range of applications and pipe configurations. From non-woven needled felt liners to circular looped PE, uniquely bonded to a seamless, impermeable PU coating. Extremely flexible tubes, ideal for use on multiple bends up to 90° with minimal wrinkling.

Liners available in diameters from DN70 to DN400 and different thicknesses.



Fiber-glass seamless liners

A PU coated glass tubular knitted structure, in diameters from DN50 to DN400, for use in CIPP trenchless renovation of laterals, verticals, in-house and mainlines applications.

An extremely flexible and expandable product for the repair of defective pipes with multiple bends of up to 90°.