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A normal water bar could be provided at the construction and contraction joints. The following figure indicates the typical type of water bar to be used in the middle. Our water stoppers are specially manufactured using an anti-ageing customized plastic compound. Additionally, it has PVC as a base polymer. These water stoppers offer several advantageous properties, such as high elasticity and tensile strength, immunity to corrosion, ensuring long-lasting durability even in harsh environments, and excellent weather resistance. They can withstand exposure to various chemicals, including acids, alkalis, metals, salts, and other corrosive substances. Other properties include lower water absorption, reducing the risk of water permeation through the joint. With their high hydrostatic pressure withstanding capacity, the water stoppers effectively resist water pressure, maintaining a watertight seal. PVC water stopper, also called PVC water stop seal or PVC water stop belt, is manufactured from superior grade polyvinyl chloride resin and various chemical additives by the process of mixing, granulating and extrusion. It is used to prevent leakage and permeation in construction joint by taking full advantage of Embedded in concrete, PVC Waterstops span the joint to form a continuous, watertight diaphragm that prevents the passage of liquid through the joint. The waterstop must be properly selected and installed to accommodate joint expansion, contraction, and other longitudinal and transverse movements. 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.
Waterstop are also termed asWaterBars, seals construction joints. A typicalPVC waterstop have two identical half on both sides of a central bulb. These additional extensions are provided with the aim of increasing path length forwaterentering behind the edge ofwaterstop.They are installed in joint where there are no relative movements. Expansion joints and movement joints are not watertight with these types of water bars.
When one piece of the Hydroswell has to be joined with the subsequent one at the end of the length do not over-lap Hydroswell but lay it close to the end in a butt joint. Place the water stopper so that it melts but doesn't cause burning on either side of the heater blade. Rigid enough to place firmly in position and shape during the installation and concrete placements. Welding is done by heating the watertops together and holding tightly them together for some time until the connected.
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Used for concrete joints, and intersections of old and new concrete in the construction of pools, foundations, tunnels, manholes, retaining walls, garages, curtain walls, water deposits, water purification facilities and pipe penetrations into above-mentioned constructions. Waterstops are manufactured from a variety of materials depending on the functionality and their intended use. The most common types are:
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