WS30 is a PVC pliable sealing tape which is applied in maintaining the structure`s integrity and sealing construction and dilatation joints as well as previous concrete placements. The thickness and width of the sealing tape are 3 mm and 30 cm respectively. It is offered in 2 types: with and without center bulb. It is embedded in the concrete, between the first and second concrete placements.
The flat waterstop (without center bulb) is fixed between the rebar with clamps in order to control tensions.