Sewer repair products
The term "sewer repair" covers all measures used to restore defective sewers to their nominal condition.
The goal of all these measures is the preservation of the substance. Various methods can be used to preserve the existing sewers by lining them with new materials from the inside. The range of all possible procedures for the rehabilitation of pipelines is wide. F. Willich has specialized in individual procedures, drawing on 50 years of company experience in the field of sewer construction.

WILLSTOP® & WILLADD®
WILLSTOP® & WILLADD® – fast and reliable:
Pre-catalysed 1K injection resin with accelerator for reliable sealing even in cold conditions or with heavy water inflow.

WILLPUR®
WILLPUR® – strong against pressing water:
Fast-reacting 2K polyurethane resin for waterproofing and stabilisation in water-bearing areas.

WILLKAT®
WILLKAT®– elastic and dense:
2K silicate resin for short liners, adheres to damp surfaces and ensures permanent sealing.

WILLPOX®
WILLPOX® – reliable inliner solution:
Solvent-free 2K epoxy resin with optimum reactivity and mechanical strength for durable trenchless sewer coatings.

WILLPIPE®
WILLPIPE® – long-lasting protection:
Multi-layer glass liner with high acid and corrosion resistance for permanent pipe rehabilitation.

Accessoires
Perfectly coordinated accessories – from flex mats to sealing cushions and control units – for efficient, safe and seamless sewer rehabilitation.



