Fosroc Supercast PVC is made from a high grade of flexible PVC which has a very long life. This product is used to provide an integral seal construction joints and movement joints in concrete. It can be used in several water-present situations such as sewage tanks, dams, swimming pools and canals. It can also be used to prevent water getting through in places like basements, tunnels, underground car parks and roof decks. It is simple to install on site and is available in a range of profiles that will suit any need you have. The thickness of your concrete will determine which profile of Waterstop you need, as well as the length and thickness of that profile.