What is waterstop in construction?
Waterstop is a material that is embedded in the concrete, across the concrete joint, to obstruct the passage of water through the joint. A waterstop installed in concrete joints is an important component of the overall waterproofing design.
Where can I use waterstop?
Therefore, waterstops are used as part of the overall waterproofing protection on a variety of concrete structures including:
- basement walls and slabs;
- subway, vehicle, and pedestrian tunnels;
- parking structures;
- water and sewage treatment facilities; and.
- canals, locks, and dams.
How does a waterstop work?
Hydrophilic waterstops are adhered directly to the surface of the first concrete pour in preparation for the second concrete pour to form the joint area. The material in the strip reacts with water and swells to form a positive watertight seal in the concrete joint.
What is the function of waterstop?
A waterstop is an element of a concrete structure, intended to prevent the passages of fluids (such as water) when embedded in and running continuously through concrete joints.
Is code water a stopper?
IS 12200: Provision of Water-Stops at Transverse Contraction Joints in Masonry and Concrete Dams – Code of Practice.
How do you install waterstops?
Waterstops are generally connected by two methods. One is the cold joint method for cold bonding with rubber adhesive, and the other is the hot joint method for welding joints with hot melt machine or hot melt knife. Flatten and rough two joints, and then apply a thin layer of sealant.
How do you connect PVC to waterstop?
What is a concrete joint sealant?
A sealer is soft and able to accommodate the concrete slab’s expansion and contraction. The sealer’s purpose is to prevent water, ice, and dirt from getting into the joint (and into the subgrade) and to prevent intrusion from below the slab—including of radon.