Sika Waterbar made from PVC-P can be used as flexible waterstops and are designed for the sealing of movement (expansion) and construction joints in new watertight concrete structures. It is available in a range of different types, shapes and sizes to suit different types of structures and joint sealing applications. Uses: Watertight joint sealing in new concrete structures, including solutions for both movement (expansion) and construction joints. Typical structures include: Residential building basements Commercial building basements Underground car parks Water retaining structures and water treatment plants