Rubber Waterstop with Steel Edges

The Steel Edge Rubber Waterstop is a composite sealing solution. By integrating high-strength steel strips on both sides of the rubber waterstop, it significantly enhances mechanical anchorage to concrete and resistance to displacement. This design enables it to handle higher water pressure and complex joint movements, making it suitable for critical engineering joints with stringent demands on sealing security and long-term performance. It provides a high-reliability waterproofing solution for joints in large transportation tunnels, hydropower dams, nuclear facilities, and deep underground structures.


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Product Advantages

Design Features & Performance Benefits

1.Integrated Steel-Rubber Composite Structure：The embedded galvanized steel strips provide mechanical anchorage, reducing the risk of displacement during concrete pouring. The central rubber body is responsible for forming the compression seal.

2.Synergistic Working Principle for Complex Joint Movements：The product does not rely on a single material. When the joint moves or is under water pressure, the flexible rubber bulb compresses and deforms to fill the gap, creating the primary seal. Simultaneously, the rigid steel edges bear the structural load, limit excessive deformation of the rubber, and distribute stress. This synergistic working mode enhances the product's ability to accommodate complex three-dimensional movements such as shear, extension, and misalignment.

3.System Durability：The galvanized steel edge and the high-quality rubber are integrally bonded through specialized processes to form a complete sealing system. The steel edge provides lasting corrosion resistance and anchoring support, while the rubber body maintains consistent elasticity and sealing performance. The compatibility design and synergistic action of both components jointly ensure the overall effectiveness and service life of the sealing system under long-term and complex working conditions.

Technical Parameters & Data

The following reference data shows the basic parameter range of the product. We fully understand the uniqueness of each engineering project. All key dimensions, materials, and technical indicators can be flexibly adjusted and custom-produced according to your design drawings, project specifications, or specific working condition requirements.

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Product Handling & Installation Guidelines

To ensure the steel edge rubber waterstop performs as designed within the concrete structure, proper handling, storage, and installation are crucial.

1.Storage & Handling

The product should be stored indoors in a dry, cool, and ventilated environment, protected from direct sunlight, high-temperature heat sources, and contact with oils, organic solvents, or sharp objects.
It should be lifted flat during handling. Dropping from height or dragging should be avoided to prevent deformation of the steel edges or damage to the rubber section.

2.Pre-Installation Inspection

Verify that the product specifications match the design drawing requirements before installation.
Inspect the waterstop for integrity after transport and storage. The rubber section should be free of penetrating scratches, holes, or abnormal deformation. The steel edges should show no significant bending or coating damage.

3.Positioning & Fixing

After setting out and determining the centerline according to the design drawings, firmly fix the waterstop in the predetermined position using the galvanized steel edges on both sides and pre-punched holes with methods such as iron wires or rebar clamps, to prevent displacement during concrete pouring.

4.Splicing & Pouring Key Points

When splicing is required, the joint treatment should follow design recommendations or manufacturer's guidance to ensure sealing integrity at the splice.
During concrete pouring, ensure the concrete is evenly placed and well-compacted around the waterstop to achieve full encapsulation, while avoiding direct contact of construction equipment with the rubber section.

FAQ

1. What are your main products?

Our main products include: Anti-Seismic Flexible Pipelines ;Bridge Bearings;Bridge Expansion Joints ;Sealants ; Waterstops

2.What are the main differences and advantages between a steel edge waterstop and a standard rubber waterstop?

The key difference lies in the structural design and anchorage method. Standard rubber waterstops rely on adhesion or friction with concrete for fixing. The steel edge waterstop achieves rigid anchorage through the mechanical interlocking of its galvanized steel edges with the concrete, significantly enhancing resistance to displacement and overall stability. This makes it more suitable for critical locations subject to higher water pressure, complex joint movements, or stringent long-term positioning requirements.

3.What is the typical lead time for customized products?

The production lead time for customized products depends on the specific complexity of the customization and the order quantity. Generally, from final confirmation of the technical solution to completion of production, it typically requires additional production time. We will promptly confirm a precise delivery schedule for you after receiving your specific requirements.

4.What certifications does your company possess?

We hold ISO certifications for the Quality Management System, Environmental Management System, and Occupational Health & Safety Management System. The establishment and continuous operation of these systems serve as the cornerstone of our ongoing commitment to product quality, environmental protection, and workplace safety.