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Help CenterExpanded Metal Permanent Formwork for Bridge Deck Construction Concrete Support System
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer of expanded metal permanent formwork for bridge deck construction since 1998. Our expanded metal formwork is designed as a permanent concrete support system that eliminates the need for traditional timber or steel removal, speeding up construction cycles and reducing labor costs. With an annual export value of US$5–10 million and a global presence across North America, South America, Europe, Asia, Africa, and Oceania, we deliver durable, high-strength solutions that meet the demanding requirements of modern bridge engineering.
Our expanded metal permanent formwork acts as both a structural reinforcement and a stay-in-place concrete mold. It offers superior load-bearing capacity, excellent concrete adhesion, and simplified installation. Below we detail the key features, technical specifications, and benefits that make this product a preferred choice for bridge deck construction.
Key Features & Benefits
- Permanent Stay-in-Place Design: Eliminates formwork stripping, reduces labor and material waste, and shortens project timelines.
- High Load-Bearing Capacity: Made from Q235/Q345 steel with expanded diamond mesh pattern, providing excellent tensile and shear strength for supporting wet concrete.
- Enhanced Concrete Bonding: The expanded mesh surface creates mechanical interlocking with concrete, improving overall structural integrity.
- Lightweight & Easy to Handle: Standard panels weigh only 15–25 kg, allowing manual installation without heavy lifting equipment.
- Corrosion Resistance Options: Available in galvanized, painted, or plain finishes to suit various environmental conditions.
- Customizable Dimensions: Panel sizes, mesh openings, and thickness can be tailored to specific project requirements.
- Cost-Effective: Reduces formwork material costs by up to 30% compared to traditional systems, and accelerates construction speed by 20–40%.
Technical Specifications (Typical)
| Material | Q235 / Q345 Steel Sheet |
| Standard Panel Size | 2000mm × 600mm (customizable) |
| Mesh Opening (Diamond) | 60mm × 80mm (customizable) |
| Sheet Thickness | 2.0mm – 4.0mm |
| Weight per Panel | 15 – 25 kg |
| Surface Finish | Galvanized / Painted / Plain (optional) |
| Application | Bridge decks, highway slabs, tunnels, culverts, retaining walls |
Detailed Product Description
Our expanded metal permanent formwork is manufactured by expanding high-quality steel sheets into a uniform diamond mesh pattern. This process creates a rigid, lightweight panel that can be directly placed on the bridge deck support structure. Unlike traditional removable formwork, our system remains permanently embedded in the concrete, acting as a secondary reinforcement and providing additional tensile strength. The open mesh design allows fresh concrete to flow through and bond with the steel, resulting in a monolithic composite structure.
The panels are produced with precise dimensions to ensure tight fit and minimal gaps. Standard sizes are 2000mm × 600mm, but we can customize length, width, and thickness to match your specific engineering drawings. The mesh opening size can also be adjusted – typical diamond openings are 60mm × 80mm, but smaller or larger openings are available upon request. For projects requiring enhanced corrosion resistance, we offer hot-dip galvanized or epoxy-coated finishes. The plain steel finish is suitable for indoor or temporary applications, while galvanized options are recommended for outdoor or humid environments.
Installation is straightforward: panels are laid over the bridge deck formwork supports (e.g., steel beams or trusses) and secured with tie wires or clips. The permanent formwork can then be poured with concrete in one continuous operation. This eliminates the need for stripping, curing, and re-shoring, saving significant time and labor. Many contractors report a 30% reduction in formwork material costs and a 25% faster construction schedule compared to traditional plywood or steel formwork systems.
Our expanded metal formwork is widely used in bridge deck construction, highway overpasses, airport runways, and industrial floors. It is particularly advantageous for projects with tight deadlines, complex geometries, or limited access for formwork removal. The product is also compatible with post-tensioning systems and can be used in cantilever or continuous span bridges.
Quality control is a priority at our factory. Each panel is inspected for dimensional accuracy, mesh uniformity, and material strength. We have been exporting worldwide since 1998, serving clients in over 30 countries across North America, South America, Europe, Africa, Asia, and Oceania. Our production capacity exceeds 500,000 square meters per year, ensuring timely delivery even for large-scale projects.
Why Choose Anping Boli?
- 24+ Years of Manufacturing Experience: Established in 1998, we have a proven track record of quality and reliability.
- Global Export Expertise: Annual export value of US$5–10 million, with shipments to Tianjin, Qingdao, Shanghai, and Foshan ports.
- Customization Capability: We offer tailored sizes, finishes, and packaging to meet specific project requirements.
- Competitive Pricing: Direct factory pricing eliminates middlemen, providing cost-effective solutions.
- Reliable After-Sales Support: Our technical team is available for consultation and installation guidance.
If you are looking for a durable, cost-saving, and efficient permanent formwork solution for your bridge deck construction, our expanded metal formwork is an excellent choice. Contact us today for a quotation or to discuss your project specifications. We are committed to providing high-quality products and professional service.
Frequently Asked Questions (FAQ)
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What is expanded metal permanent formwork?
It is a steel mesh panel that serves as a stay-in-place formwork for concrete pouring. It remains permanently embedded in the concrete, providing reinforcement and eliminating the need to remove formwork after pouring. -
How does it differ from traditional formwork?
Traditional formwork (plywood, steel panels) must be removed after concrete cures, requiring labor, time, and storage. Permanent formwork stays in place, reducing labor costs and speeding up construction. -
What sizes are available?
Standard panels are 2000mm × 600mm, but we can customize dimensions to fit your project. Custom sizes, thicknesses, and mesh openings are available upon request. -
Can it be used in corrosive environments?
Yes, we offer galvanized or painted finishes for corrosion resistance. For marine or high-humidity areas, hot-dip galvanized finish is recommended. -
Does it meet building codes?
Our product is manufactured to general engineering standards. Specific code compliance depends on the local regulations; we can provide material test certificates upon request. -
How is it installed?
Panels are placed on the bridge deck support structure and secured with tie wires or clips. Concrete is then poured directly over the panels. Detailed installation guidelines are provided. -
What is the load-bearing capacity?
Capacity depends on panel thickness, mesh opening, and steel grade. For example, a 3.0mm thick panel with 60×80mm openings can support up to 300 kg/m² of wet concrete. Contact us for specific load calculations. -
What is the minimum order quantity?
We accept small trial orders as well as large quantities. For custom specifications, a minimum of 1000 square meters may apply, but we can discuss flexible terms.
Ready to accelerate your bridge deck construction? Contact Anping County Boli Hardware Wiremesh Products Factory today for a free consultation and competitive quote. Our team is ready to support your project with high-quality expanded metal permanent formwork.
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