Decorative Expanded Metal

Decorative Expanded Metal Manufacturer for Architectural Cladding, Facades & Interior Applications

Architectural-grade decorative expanded metal manufactured by expanding aluminum, stainless steel, or carbon steel sheets using customized tooling dies. Provides geometric mesh patterns, controlled shading percentages, and structural ventilation for exterior building facades, interior ceiling systems, and decorative enclosures.

Carbon Steel Decorative Expanded Metal
Materials：Carbon Steel
Specification：Our capability covers LWD ranging from 0.75 mm up to 400 mm, and SWD ranging from 2 mm to 150 mm. Sheet thickness ranges from 0.3 mm to 15 mm, with a...
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Galvanized Steel Decorative Expanded Metal
Materials：Galvanized Steel
Specification：Our capability covers LWD ranging from 0.75 mm up to 400 mm, and SWD ranging from 2 mm to 150 mm. Sheet thickness ranges from 0.3 mm to 15 mm, with a...
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Stainless Steel Decorative Expanded Metal
Materials：Stainless Steel
Specification：Our capability covers LWD ranging from 0.75 mm up to 400 mm, and SWD ranging from 2 mm to 150 mm. Sheet thickness ranges from 0.3 mm to 15 mm, with a...
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Aluminum Decorative Expanded Metal
Materials：Aluminum
Specification：Our capability covers LWD ranging from 0.75 mm up to 400 mm, and SWD ranging from 2 mm to 150 mm. Sheet thickness ranges from 0.3 mm to 15 mm, with a maximum...
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Product Types

Structure: Heavy-gauge aluminum or steel panels with large SWD and LWD apertures angled for optical shading and solar deflection.

Key Features: Reduces solar heat gain while maintaining natural airflow and sightlines; customizable open area from 30 percent to 70 percent.

Interior Ceiling and Partition Mesh
Structure: Light-to-medium gauge flattened or raised expanded mesh with geometric diamond, hexagonal, or asymmetrical opening patterns.

Key Features: Conceals overhead MEP services while allowing acoustic diffusion, lighting pass-through, and fire sprinkler coverage.

Technical Specifications

Parameter	Metric Range	Imperial Range	Manufacturing Tolerance
Base Plate Thickness	1.0 mm to 5.0 mm	0.039 inches to 0.197 inches	+/- 0.10 mm (+/- 0.004 inches)
Strand Width	1.5 mm to 15.0 mm	0.059 inches to 0.590 inches	+/- 0.15 mm (+/- 0.006 inches)
SWD (Short Way of Diamond)	8.0 mm to 100.0 mm	0.315 inches to 3.937 inches	Pitch accuracy +/- 0.5 mm
LWD (Long Way of Diamond)	16.0 mm to 250.0 mm	0.630 inches to 9.842 inches	Pitch accuracy +/- 1.0 mm
Open Area Ratio	25 percent to 75 percent	25 percent to 75 percent	Calculated per tool die geometry
Standard Panel Sizes	1200 x 2400 mm, 1250 x 3000 mm	4 x 8 feet, 4 x 10 feet	Diagonal squareness +/- 2.0 mm
Supply Formats	Flat Cut-to-Size Panels, Formed or Cassette Panels with Welded Frame Edges, Custom Coils

Material Options

Aluminum Alloys (3003-H14, 5052-H32, 1100): Lightweight, highly formable, and rust-proof material ideal for architectural exterior facades and suspended ceilings.

Stainless Steel (304, 316, 316L): Provides high corrosion resistance and mechanical strength for coastal building envelopes and high-traffic interior spaces.

Carbon Steel (Q235, A36): Cost-effective structural option for interior powder-coated partitions, parking screens, and industrial features.

Architectural Surface Treatments

PVDF Fluoropolymer Coating (QUALICOAT Standard)

Multi-coat architectural paint system offering 15 to 20 years of exterior UV resistance, chalking protection, and color retention.

Anodizing (for Aluminum)

Electro-chemical process providing a 15 to 25 micron protective oxide film in natural clear, bronze, champagne, and black metallic tones.

Architectural Powder Coating

Applied using thermosetting polyester powders in standard RAL colors with smooth, matte, or textured finishes.

Post-Expansion Degreasing and Acid Washing

Multi-stage chemical pretreatments ensuring oil-free surface adhesion prior to paint coating or anodizing.

Primary Applications

Exterior Architectural Facades

Ventilated curtain wall rainscreens, building retrofits, and decorative exterior cladding panels.

Sunshades and Louver Screens

Solar control shading panels integrated onto window openings, glass curtain walls, and balconies.

Suspended Metal Ceilings

Lay-in and hook-on ceiling tile systems for airport terminals, transit hubs, shopping malls, and office lobbies.

Interior Space Partitions

Decorative room dividers, acoustic wall paneling, elevator cab interiors, and stair balustrade infills.

Parking Garage Enclosures

Perimeter safety screening providing passive ventilation, headlight glare reduction, and security barrier protection.

Manufacturing Capabilities and Quality Control

Tooling and Custom Patterns

Custom die fabrication capability for non-standard diamond, hexagonal, and custom architectural aperture shapes.

Color Consistency and Inspection

PVDF and powder-coated lots undergo spectrophotometer testing to maintain color variation within Delta E less than 1.0.

Panel Flatness and Frame Fabrication

Post-expansion multi-roll tension leveling eliminates panel bow, allowing seamless perimeter welding onto aluminum extrusion sub-frames.

Certification and Compliance

All shipments are supplied with EN 10204 3.1 Mill Test Certificates verifying raw material alloy composition, tensile strength, and coating thickness test reports.

Packaging

According to the chemical and physical properties of the products, we use waterproof, moisture-proof and breakage-proof materials for packaging to avoid product damage during transportation. In addition, we can also provide customized packaging according to customer's specific requirements to meet the special needs of different customers.

FAQ

Q: What material is recommended for exterior architectural facade panels?

A: Aluminum alloy 5052-H32 or 3003-H14 with PVDF (fluoropolymer) coating or anodizing is recommended for exterior building facades. Aluminum provides lightweight structural stability without rust risks on sheared strand edges.

Q: How is the open area ratio calculated for solar shading and airflow performance?

A: Open area ratio is determined by the relationship between strand width, SWD, and LWD dimensions. We supply calculated percentage values and optical shading angles for HVAC airflow design and solar heat gain coefficient (SHGC) modeling.

Q: Can decorative expanded metal panels be supplied with welded sub-frames for direct installation?

A: Yes. We fabricate complete cassette panels with factory-welded aluminum or steel perimeter L-angles or U-channels, including pre-drilled fixing holes for direct mechanical attachment to curtain wall mullions.

Q: How do you prevent color variation between different production lots on large facade projects?

A: All raw panels for a single project phase are processed using batch-certified architectural powders or PVDF liquid coatings from the same master batch, with color consistency verified using spectrophotometers to keep Delta E below 1.0.

Q: What parameters are required to receive an accurate technical quotation?

A: Please provide the material grade, sheet thickness, strand width, SWD x LWD aperture dimensions (or target open area percentage), panel dimensions, drawing details for frame edge bending, surface finish type, and overall quantity.

Q: Do you supply physical samples and material test reports for architectural mock-ups?

A: Yes. We provide cut panel samples and full-size mock-up sheets for architectural specification approvals, accompanied by EN 10204 3.1 Mill Test Certificates and coating test records upon request.

Anping Yilida Metal Wire Mesh Co., Ltd. is one of the most reliable decorative expanded metal manufacturers and suppliers in China, also supports customized service. Please feel free to buy bulk high quality decorative expanded metal made in China here from our factory.

Galvanized Steel Decorative Expanded Metal, Stainless Steel Decorative Expanded Metal, Aluminum Decorative Expanded Metal