PVC Tunnel Waterproofing Membrane Systems with Protective Geotextile

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A PVC tunnel waterproofing membrane is a factory-made sheet that wraps a tunnel or deep structure before the final concrete lining. It must stay watertight under groundwater for decades, and nobody can reach it once the lining is cast. So the system includes more than a sheet: a protective fleece, welded seams and a way to locate and seal leaks ... Read More

Polyurethane Crack Injection for Leaking Concrete Structures

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Polyurethane crack injection is the standard way to stop water coming through a crack in a slab, wall or tank. A coating on the surface cannot hold back water that already travels inside the concrete. Injection, by contrast, fills the path itself. This guide explains how to diagnose the crack, which resin to choose and how Target tests the result. ... Read More

Construction Joint Waterstop Guide: PVC Waterbars and Swellable Profiles

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A construction joint waterstop is a small item on the drawings. Yet it often decides whether a basement or tank stays dry. Every time a pour stops and restarts, a joint forms between old and new concrete. Water finds that line long before it finds a path through dense concrete. This guide compares PVC waterbars, swellable profiles and crystalline dry-shake, ... Read More