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Help Center304 Stainless Steel Expanded Metal Grouting Mesh, 1.2mm x 12.7mm Diamond Opening, 0.5mm Strand Thickness for Wall Reinforcement
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As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in high-quality wire mesh solutions. Our 304 Stainless Steel Expanded Metal Grouting Mesh is engineered for superior wall reinforcement in demanding construction and industrial applications. With a precise diamond opening of 1.2mm x 12.7mm and an ultra-thin 0.5mm strand thickness, this mesh offers exceptional bonding strength for grouting materials, ensuring long-lasting structural integrity. Trusted by clients across North America, South America, Europe, and Asia, our mesh combines precision manufacturing with decades of expertise.
The expanded metal process creates a seamless, single-piece structure with no weak points from welding, providing uniform strength and flexibility. Designed specifically for wall reinforcement, it effectively distributes tensile loads and prevents cracking in plaster, stucco, or cementitious overlays. Below are key technical parameters and benefits.
Key Technical Specifications
| Property | Value |
| Material | 304 Stainless Steel (ASTM A240) |
| Opening Shape | Diamond (hexagonal pattern) |
| Opening Size (LWD x SWD) | 1.2mm x 12.7mm |
| Strand Thickness | 0.5mm |
| Standard Sheet Width | 1m, 1.2m, 1.5m (customizable) |
| Standard Sheet Length | 2m, 2.4m, 3m (customizable) |
| Surface Finish | Mill finish, clean, no burrs |
| Corrosion Resistance | Excellent (304 grade) |
Product Features & Benefits
- Superior Bonding for Grouting: The diamond opening pattern allows grout, plaster, or mortar to flow through and mechanically lock, creating a monolithic reinforcement layer. This prevents delamination and cracking in walls, ceilings, and facades.
- Lightweight Yet Strong: With a strand thickness of just 0.5mm, the mesh is easy to handle, cut, and install, yet provides excellent tensile strength (approx. 500-600 MPa) for reinforcing thin layers.
- Rust-Free & Durable: 304 stainless steel ensures long-term performance in humid or alkaline environments common in construction. No need for additional coatings or galvanizing.
- Uniform Openings: Precision expanded metal process ensures consistent opening size (1.2mm x 12.7mm), guaranteeing even material distribution and predictable structural behavior.
- Versatile Applications: Ideal for wall reinforcement, stucco/lath systems, tile underlayment, industrial flooring, and repair of cracks in concrete or masonry.
- Customizable Dimensions: Available in various sheet sizes and can be cut to specific requirements. We offer custom widths and lengths to minimize waste on your project.
Why Choose Our Grouting Mesh?
Our factory has been producing expanded metal mesh for over 25 years, with annual export value exceeding US$5 million. We ship from major ports (Tianjin, Qingdao, Shanghai, Foshan) to global markets. Each roll is inspected for dimensional accuracy and surface quality before packaging. We understand that construction materials must meet strict standards – our mesh is produced under controlled processes to ensure consistent performance.
By choosing our 304 stainless steel expanded metal grouting mesh, you benefit from:
- Direct factory pricing – no middleman markup
- Reliable lead times – we maintain inventory of popular sizes
- Professional technical support – our team advises on mesh selection, installation, and compatibility with different grout mixes
- Flexible packaging – rolls or flat sheets, with or without edge trimming
We have supplied this mesh to numerous construction projects worldwide, from residential renovations to large-scale commercial buildings. Our mesh is used by leading contractors in North America, South America, Europe, and the Middle East. With a strong reputation for quality and service, we are your trusted partner in wire mesh solutions.
Frequently Asked Questions
Q1: What is the difference between expanded metal and welded wire mesh for grouting?
A: Expanded metal is made from a single sheet of metal that is slit and stretched, creating a continuous diamond pattern with no welds. This provides higher strength per weight and no weak points. Welded wire mesh has welded intersections that can corrode or break under stress. Expanded metal is preferred for grouting reinforcement because it offers better mechanical interlock.
Q2: Can this mesh be used for external wall insulation systems (EIFS)?
A: Yes, it is suitable for EIFS as a base coat reinforcement. The 1.2mm x 12.7mm opening size allows the base coat to penetrate and bond effectively. However, ensure compatibility with the specific adhesive and base coat system.
Q3: What is the maximum temperature resistance of 304 stainless steel expanded metal?
A: 304 stainless steel can withstand continuous temperatures up to 870°C (1600°F) in intermittent service, and up to 925°C (1700°F) for short periods. For grouting applications, this is far beyond typical construction temperatures.
Q4: How do I cut the mesh to size on site?
A: The mesh can be cut with standard tin snips, angle grinders, or nibblers. For precise cuts, we recommend using a sheet metal shear. Avoid using a torch as it may damage the stainless steel properties.
Q5: Is the mesh supplied in rolls or flat sheets?
A: Both options are available. Rolls are typically 1m x 30m, while flat sheets can be customized. For wall reinforcement, we often recommend flat sheets to avoid curling during installation.
Q6: What is the weight per square meter of this mesh?
A: Approximate weight is 0.8 kg/m² for 0.5mm strand thickness. This lightweight nature makes it easy to handle and reduces structural load.
Q7: Can you provide samples before bulk order?
A: Yes, we offer free samples (A4 size) for evaluation. Shipping cost is at your side. Contact our sales team to request samples.
Q8: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 100 sheets or 500 kg. For custom sizes, MOQ may be higher. We are flexible and can discuss small orders for trial projects.
With an annual export volume of US$5-10 million and a history dating back to 1998, Anping County Boli Hardware Wiremesh Products Factory is your reliable source for 304 stainless steel expanded metal grouting mesh. We are committed to delivering products that meet your exact specifications, on time, every time. Contact us today for a quote or technical consultation.
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