The function of PVC waterstop

October 01,2021
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Waterproofing is the most important part of the basic engineering. Do not underestimate the importance of waterproofing in the entire building structure. Most buildings nowadays are reinforced concrete structures. After years of water leakage, the concrete structure will gradually affect the building. PVC waterstop is a waterproof building component that needs to be embedded in concrete. The most basic function is to prevent the seepage of water vapor and liquid from leaking into the concrete joints.

PVC waterstop


It is known from many materials that the first waterstop was made of metal such as lead or copper, and the rubber waterstop, which is also commonly seen now, was invented in the early 1990s, and the PVC waterstop started in the 1950s. The water stop certified by each country has a variety of different shapes, but the application is similar, and the difference lies in the physical properties of the material and the difference in the needs of the site.


Since the waterstop is embedded in the building structure, its physical strength must reach a certain standard. A qualified waterstop must have high tensile strength, excellent extensibility, acid and alkali resistance, weather resistance, easy installation and easy welding.

Application place

Most of the waterstops are used in public projects, because public projects have relatively high requirements for building structures, such as dams, tunnels, bridges, irrigation channels, and industrial buildings.


There are few factories manufacturing PVC waterstops in Taiwan, and Singform happens to be one of them. Our advantage lies in the one-stop manufacturing process from raw materials, development, manufacturing to quality control, and the price and quality are also very competitive. We have developed A1, A2, A3, B1, B2, B3, E1, E2 and other models so far (2021/10/1), and other models are also under development. If you are interested in Singform's products, please contact us.


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