This post describes the relining of a Walther Trowel mass finishing vibratory bowl in polyurethane. The old worn out lining is removed and the steel shell is heat treated and then grit blasted back to the original steel. A new steel mould tool is fabricated by our team of specialist fabricaters. The tool is designed to mould a 25 mm thick lining A moulded lining ensures correct fitting of doors, drains, and dam flaps. This is not possible to achieve with rubber or spray poly linings .A moulded lining will outperform spray poly or rubber linings. A reline typical takes 7 working days.