Expanding Water Bars Swelling Rubber Bar Swelling Waterstop for Tunnel Basement

Expanding Water Bars Swelling Rubber Bar Swelling Waterstop for Tunnel Basement. Expand automatically when meeting water, fill concrete gaps and realize efficient anti-seepage. Solve seepage and poor fitting of traditional materials. Adapt to gap deformation to achieve full sealing. High expansion ratio, acid and alkali resistant, anti-aging, firmly bonded with concrete for stable performance. Used for construction joints and post-cast strips in underground works, tunnels and water projects, cut maintenance costs. Easier to install with better sealing and wider adaptability, higher cost performance than conventional waterproof materials.