Description
IDROSTOP Waterbar – Hydrophilic Rubber Waterstop for Watertight Concrete Joints
IDROSTOP Waterbar is a hydrophilic, expandable rubber waterstop designed to provide a watertight seal in construction joints of concrete structures. Made with an acrylic polymer base and free of bentonite, it gradually expands on contact with water to form a durable, flexible barrier—resisting both positive and negative water pressure up to 5 atm.
Ideal For:
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Sealing construction joints in foundations, tanks, retaining walls, and tunnels
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Waterproofing precast elements and second pours of concrete
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Adhering to concrete, PVC, metal, and natural stone surfaces
Key Benefits:
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Active hydro-expansion on water exposure
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Flexible preformed strip adapts to movement
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Non-bentonite: no degradation or leaching
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High-pressure resistance: up to 5 atm
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Easy application with Idrostop Mastic (MS polymer adhesive)
Sizes & Packaging:
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IDROSTOP 10: 20×10 mm – 6×10 m rolls (60 m total)
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IDROSTOP 15: 20×15 mm – 6×7 m rolls (42 m total)
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IDROSTOP 25: 20×25 mm – 6×5 m rolls (30 m total)
Ensure high-performance, long-lasting waterproofing in your concrete joints with IDROSTOP Waterbar—trusted for structural integrity and leak prevention.
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