Expanded Metal Lath Permanent Formwork Used in Bridge Deck and Tunnel Construction, 1.2mm Thick Galvanized Steel
Product Spotlights
As a leading manufacturer with over 25 years of expertise, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Expanded Metal Lath Permanent Formwork – a robust solution specifically designed for demanding bridge deck and tunnel construction projects. Made from 1.2mm thick galvanized steel, this formwork combines exceptional strength with long-lasting corrosion resistance, ensuring reliable performance in harsh environments. Our product is engineered to simplify construction processes, reduce labor costs, and provide a durable integrated structure that meets the high standards of modern infrastructure.
Key Features & Technical Specifications
- Material: High-quality galvanized steel (1.2mm thickness) – offers superior rust protection and extends service life.
- Design: Expanded metal lath pattern – provides excellent bonding with concrete, enhances structural integrity, and allows for proper ventilation during curing.
- Application: Ideal for permanent formwork in bridge decks, tunnel linings, retaining walls, and other civil engineering structures.
- Surface Treatment: Hot-dip galvanized – ensures uniform coating and meets international anti-corrosion standards.
- Customization: Available in various dimensions and sheet sizes to fit project-specific requirements.
- Easy Installation: Lightweight yet strong, reduces handling time and labor costs compared to traditional formwork systems.
Technical Parameters (Typical)
| Property | Value |
| Base Metal Thickness | 1.2 mm (18 gauge) |
| Mesh Opening Size | Approx. 10mm x 25mm (diamond pattern) |
| Sheet Width | 0.5m – 2.0m (customizable) |
| Sheet Length | 1.0m – 6.0m (customizable) |
| Zinc Coating Weight | ≥ 275 g/m² (hot-dip galvanized) |
| Tensile Strength | ≥ 350 MPa |
Advantages Over Traditional Formwork
- Eliminates the need for formwork removal – saves time and reduces labor.
- Acts as reinforcement and provides additional structural support.
- Improves concrete adhesion through the expanded mesh surface.
- Reduces overall project costs by 15-20% compared to conventional methods.
- Environmentally friendly – recyclable material and less waste.
Trust & Reliability
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer in the wire mesh industry, with annual export values exceeding US$5 million. Our products are shipped globally from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, serving markets across North America, Europe, Southeast Asia, Africa, and beyond. Each batch of expanded metal lath undergoes strict quality control to ensure dimensional accuracy and consistent galvanization. We are committed to providing cost-effective, durable solutions for your bridge and tunnel projects. Contact us today for a quote or to discuss your specific requirements!
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of this permanent formwork?
A: With hot-dip galvanized coating, the formwork can last over 50 years in normal atmospheric conditions and significantly longer when embedded in concrete. -
Q: Can I order custom sizes for my project?
A: Yes, we offer customization in width, length, and mesh opening to suit your specific design requirements. Please provide your dimensions during inquiry. -
Q: Is this product suitable for curved tunnel surfaces?
A: Absolutely. The expanded metal lath is flexible and can be bent to follow curved profiles, making it ideal for tunnel linings and arch structures. -
Q: How does it compare to welded wire mesh formwork?
A: Expanded metal lath provides better bonding with concrete due to its irregular surface, and it is more resistant to delamination. It also offers improved load distribution. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ varies by specification. Typically, we accept orders starting from 500 square meters. Contact us for details. -
Q: Do you provide samples before bulk order?
A: Yes, we can provide free samples (shipping cost applies) for quality evaluation. Custom samples are also available. -
Q: How is the product packaged for export?
A: Sheets are bundled with steel strapping and wrapped in waterproof kraft paper or plastic film to prevent damage during transit. -
Q: What is the lead time for a standard order?
A: For standard sizes, lead time is typically 15-20 days after order confirmation. Custom orders may take 25-30 days.
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