PVC Water Stopper are flexible Plastic strips which provide a physical barrier to Water at concrete joints, mostly in basements, Water retaining structures like Water tanks, Swimming pools, structural foundations & other below ground level constructions. Water stopper are also termed as Water Bars, seals construction joints. A typical PVC water stopper have two identical half on both sides of a central bulb. These additional extensions are provided with the aim of increasing path length for water entering behind the edge of water Stopper.