JYOTI HYDRO-STOP is a robust range of centrally and externally placed PVC waterstops, designed to ensure total sealing in expansion, contraction, and construction joints for water-retaining and water-excluding concrete structures.

Extruded from high-grade PVC | Long-lasting | Easy to install | Proven waterproofing solution

Primary Applications

Use JYOTI HYDRO-STOP in projects that demand leak-proof concrete joints, such as:

• Tunnels (Roadways & Railways)

• Basements & Foundations

• Reservoirs, Water Tanks

• Dams & Canals

• Power Projects

• Sewerage Treatment Plants

• All cast in-situ concrete water structures

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Key Advantages

• Wide range of profiles for all types of construction joints

• Eyeleted fixing flanges for perfect placement

• Simple on-site heat-welding

• Four-valve sealing system ensures maximum waterproofing

• Factory-made junctions for corners and intersections

• Tortuous path design – blocks water flow efficiently

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Types of JYOTI HYDRO-STOP Profiles

1. Centrally Placed Profiles

Perfect for internal placement between two concrete pours.

Internal Expansion Joints (IEJ)

• For expansion/contraction joints

• Available in 150 mm, 200 mm, 250 mm, 330 mm

• With reinforced eyeleted flanges

Internal Construction Joints (ICJ)

• Designed for construction/contraction joints

• Includes grout check fins to avoid grout loss

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2. Externally Placed Profiles

Best suited for basements, slabs & foundations.

External Expansion Joints (EEJ)

• Wedge box design for strong anchorage

• Suitable for expansion & construction joints

External Construction Joints (ECJ)

• Flat web with grout check fins

• Easy to place over blinding concrete

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3. XHD PROFILES (Extra Heavy Duty)

For high water pressure zones (above 70 meters).

• 250 mm width | 10 mm thick | 24 mm valve height

• Compatible with 250 mm ECJ & EEJ

• Superior resistance and anchorage

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Technical Specifications

Complies with: BS 2782, ASTM D638, IS 15058:2002

Installation Instructions

For Centrally Placed Profiles:

• Tie eyeleted flanges to rebar using binding wire

• Ensure waterstop is centered and held firm before concrete pour

• Compact concrete properly around profile

For Externally Placed Profiles:

• Lay directly on blinding concrete or nail to vertical formwork

• Ensure full contact and alignment along joint line

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On-Site Jointing (Heat Welding)

• Use HYDRO-STOP Heat Welding Kits

• Clean, cut, and align both ends in welding jig

• Heat with electric blade → press → cool → done!

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Standard Intersections Available

• Flat Mitre (90°)

• Flat 3-Way / 4-Way

• T-Piece

• Edge Mitre (Internal/External)

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Profile Sizes & Packaging

• Available in 150 mm / 200 mm / 250 mm / 330 mm widths

• Supplied in 15-meter rolls

• Intersections: 250 mm (flat) | 100 mm (edge)

Custom sizes available on request

Safety Note

• Use ventilation or respirator when welding in closed spaces

• Always clean heater blades after use

• Follow proper PPE guidelines during installation

Use JYOTI HYDRO-STOP in:

• Civil Infrastructure Projects

• Commercial and Residential Basements

• Dams and Canals

• Metro Tunnels & Underpasses

• Water Treatment Plants

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Why Choose JYOTI HYDRO-STOP?

• 100% leak-proof sealing across all joints

• Easy installation, site flexibility

• Meets international quality standards

• Factory support for custom junctions

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