A hydro-swelling water bar is a type of water stop used in construction joints to prevent the passage of water. It’s typically made of hydrophilic rubber or other swellable materials. When in contact with water, these bars swell to form a watertight seal, effectively blocking the passage of water through the joint. This helps in preventing water leakage and seepage in structures such as basements, tunnels, and water-retaining structures. These water bars are commonly used in civil engineering projects to ensure the structural integrity and durability of buildings and infrastructure.

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