Expanded metal with diamond openings combines strength, lightweight design, and decorative appeal for a wide range of DIY, construction, and protective applications. This guide highlights five top picks that balance thickness, diamond size, and material type—steel, aluminum, and stainless steel options—so you can choose the right sheet for grills, guards, screens, and decorative panels.
Summary of chosen products
| Product | Material | Dimensions | Diamond Size | Special Notes |
|---|---|---|---|---|
| Steel Expanded Metal Sheet Flattened (3/4#9) .110″ Thick x 24″ x 48″ | Steel | 24″ x 48″ | Diamond | Flat, standard expanded |
| FengYoo 36″X18″ 12 Gauge Aluminum Expanded Metal | Aluminum | 36″ x 18″ | 1″ x 1.3″ | Diamond shape, flat, decorative & durable |
| FengYoo 16″X12″ 14 Gauge Expanded Metal Sheet | Steel | 16″ x 12″ | 0.6″ x 1.6″ | High-strength, difficult to cut |
| FengYoo 40″X16″ 14 Gauge Stainless Expanded Metal | Stainless Steel | 40″ x 16″ | 0.4″ x 1″ | Very strong, corrosion resistant |
| Steel Expanded Metal Sheet Flattened (3/4#9) .110″ Thick, 24″ x 48″ | Steel | 24″ x 48″ | Diamond | Flat, versatile |
Steel Expanded Metal Sheet Flattened 0.110″ Thick 24″ x 48″
Brand: Shapiro Metal Supply
Specifications indicate approximately 1/8″ (0.120″) thick, offering a balance between rigidity and flexibility for grills, protective screens, and decorative panels. The flattened sheet design helps enable clean mounting and straightforward fabrication in many common projects. The product supports air and light passage while maintaining structural integrity, making it suitable for range hoods, screening, and light-duty metalwork.
Steel Expanded Metal Sheet Flattened 24″ x 24″
Brand: Shapiro Metal Supply
Features emphasize versatility across a variety of uses, with the ability to allow airflow, light, or liquids to pass through. This size is well-suited for smaller applications such as speaker grilles, vent covers, and decorative inserts in fences or enclosures. The flattened construction aids in easier cutting and mounting for hobby and professional projects alike.
FengYoo 16″ x 12″ Expanded Metal Sheet — 14 Gauge
Brand: FengYoo
Specifications describe a stamped steel mesh with diamond openings of 0.6″ x 1.6″ and thickness about 0.08″ (14 GA). The sheet measures 16″ x 12″ and ships flat. The 80% open area provides a strong balance of visibility and airflow, making it suitable for screen guards, decorative panels, and grill components. It is noted as very strong and challenging to cut with ordinary tools, often requiring grinders for larger cuts.
FengYoo 40″ x 16″ Stainless Expanded Metal
Brand: FengYoo
Specifications indicate a 0.4″ x 1″ diamond-shaped opening on a 14 GA stainless steel base, with a size of 40″ x 16″. The flat, unfolded sheet ships ready for fabrication, and its stainless composition provides corrosion resistance essential for outdoor grills, guards, and durable architectural accents. The listing emphasizes strength and a wide range of potential applications, including decorative sheets and protective grills.
Steel Expanded Metal Sheet Raised 3/4#9 0.130″ Thick 24″ x 48″
Brand: Shapiro Metal Supply
Raised construction provides additional depth and rigidity, with about 0.130″ thickness. Suitable for load-bearing panels, protective barriers, or decorative screens where added dimension is beneficial. This variant supports robust performance in harsher environments or heavy-duty grill and grate applications, while maintaining airflow and light passage where needed.
Steel Expanded Metal Sheet Flattened 0.110″ Thick 24″ x 48″ with Skewers
Brand: Shapiro Metal Supply
Features highlight decorative and functional uses, including airflow and liquid passage. The coating and flat profile support easy installation for BBQ grills, vents, or partition panels. The included 2 stainless steel BBQ skewers enhance versatility for outdoor cooking setups or display units while demonstrating the sheet’s suitability for both cooking-related and decorative uses.
Buying Guide: Key Considerations For Expanded Metal Sheets
- Material selection: Steel offers strength and affordability; aluminum is lighter and corrosion-resistant; stainless steel provides maximum durability and weather resistance for outdoor or marine environments.
- Diamond size and thickness: Larger openings improve airflow and visibility but reduce shear strength; thicker gauges increase rigidity but add weight. Choose based on the balance needed for your project.
- Open area percentage: Higher open area means more airflow and light transmission, which is ideal for guards and screens that require visibility and ventilation.
- Flat vs raised profiles: Flattened sheets are easier to cut and mount; raised or embossed patterns provide extra rigidity and visual texture for decorative or structural applications.
- Finish and treatability: Consider corrosion resistance (stainless steel or aluminum) for outdoor use or moisture exposure; powder coatings or paints can enhance aesthetics and protection.
- Cutting and fabrication: Some alloys are very hard (e.g., certain 14 GA steel sheets) and require power tools; ensure you have appropriate equipment and safety measures.
- Applications: Use case (grill guards, vents, screens, decorative panels) informs choice of material, gauge, and diamond size for best performance.
- Availability and lead times: Popular sizes are commonly stocked; custom cuts can add lead time and cost.
Note: All product links lead to Amazon product pages for reference. Product details, dimensions, and materials are provided by manufacturers and sellers and may vary slightly by batch or listing.