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Waterstops are static seals installed between joints of your concrete structures in order to avoid the passage of water and other fluids. The waterstop is baked into the concrete or across and/or along the joint. In order to pick the best waterstop for your application there are several points to consider. These include, the structure type, joint type, joint movement type, chemical containment requirements, as well as the way of securing the waterstop set up (hog rings, grommets, etc.)
Concrete waterstops rose to prominence as concrete use took over as the standard choice in commercial and residential construction from the mid-20th century. After concrete bridges started dotting the map in early 1900s and also the Hoover and Grand Coulee dams were made concrete in the 1930s, it became predominant because the most used material in new construction. As a result of porous joints created when dispensing concrete in sections, the necessity for waterstops was immediately apparent. PVC was the predominant option for waterstops from the 1940s and continued for several years and it is still the most typical waterstop material.
Waterstops utilize techniques during installation that force seals to embed in to the concrete. In some applications, it’s important to repel water and liquids entirely. Special circumstances require the protection against liquids still beyond the barrier created by the waterstop. This feature is associated with the need to keep solvents, hot petroleum oils and chemicals from making its well past the seal itself. Capabilities include alternative physical forms like strips. A strip is capable of covering a huge area when ordered in large rolls or pastes.
Waterstops are very important for construction projects where concrete is used to retain water or exclude it. Most of these applications in residential, commercial and industrial construction include:
Dams and water reservoirs
Canals, locks, aqueducts and culverts
Bridges and tunnels
Water and wastewater treatment facilities
Containment structures surrounding oil, chemical and other types of refineries
Storage tanks, both above and underground, for liquids like fuel or chemicals
Basements and concrete foundations for homes as well as other buildings
Specifications are made obtainable in the subsequent four areas:
Joint type application
Joint movement requirements
Chemical containment requirements
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