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Rubber & PVC Waterstop
Engineered to provide a watertight seal, these profiles ensure long-lasting protection against leakage, chemical infiltration, and environmental damage, thereby enhancing the durability and reliability of the structure.
Available Variations
For customized specification, inquire now.

Other Types of Bearing Pads
Types of Waterstop for Concrete Joint Sealing
1. Dumbbell Type Waterstop
Dumbbell type waterstops are designed with a central thickened section that provides excellent tensile strength and elongation. Ideal for expansion and construction joints, they accommodate movement and effectively block water passage in large concrete structures such as dams and tunnels.
2. Without Center Bulb Type Waterstop
Waterstops without a center bulb are typically used in construction joints where minimal movement is expected. These flat profiles provide a reliable seal against water ingress and are suitable for basements, foundations, and retaining walls.
3. Corrugated Flat Type Waterstop
Corrugated flat waterstops feature a wavy surface that enhances bonding with concrete. Their flexible profile ensures a tight seal and resistance to water pressure, making them suitable for vertical and horizontal joints in water-retaining structures.
4. Corrugated Fin Type Waterstop
Corrugated fin waterstops are equipped with flexible fins that improve anchorage in concrete and accommodate slight joint movements. These are used in water treatment plants, canals, and reservoirs where high-performance sealing is required.
5. Bitumen Swellable Waterstop
Bitumen swellable waterstops are composed of a bitumen-based compound that expands upon contact with water to form a watertight seal. Designed for non-moving construction joints, these waterstops are ideal for underground structures, tunnels, and retaining walls. Their hydrophilic swelling action ensures tight sealing even in complex joint geometries and rough concrete surfaces.
Advantages
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Prevents Water Leakage - Creates a watertight barrier within concrete joints, preventing water ingress or seepage in water-retaining or underground structures.
Versatile Application - Available in various profiles and materials (PVC, rubber, bentonite, bitumen) to suit different joint types—construction, expansion, and movement joints. -
Chemical and Corrosion Resistance - Many waterstops, especially PVC and rubber types, resist a wide range of chemicals, acids, and alkalis, making them ideal for harsh environments.
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Accommodates Joint Movement - Types like dumbbell and center-bulb profiles are designed to handle joint expansion, contraction, and minor movements without losing sealing integrity.
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Long-Term Durability - Engineered to last the life of the structure when properly embedded in concrete, reducing future repair costs.
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Low Maintenance - Once installed and encased in concrete, waterstops function passively with little to no maintenance required.
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Improved Structural Integrity - Helps prevent water damage that can lead to concrete deterioration, reinforcing the durability and lifespan of the structure.
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Environmentally Compatible Options - Bentonite and some bitumen-based waterstops offer eco-friendly sealing solutions, particularly for underground and green building applications.
Applications / Methodology:
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Water retaining structures - Used in dams, reservoirs, and canals to prevent water infiltration.
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Underground structures - Used to waterproof basements, tunnels, and subways.
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Precast concrete structures - Used to seal joints between precast concrete panels.
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Expansion joints - Used to accommodate movement in concrete structures caused by temperature changes or structural loads.
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Swimming pools - Used to prevent water from leaking out of pools.
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Bridges - Used to prevent water from seeping into the bridge deck and causing damage.

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