Duke’s Metal Industries Expanded Metal is an excellent product line used for screens, window security panels, machine guards, and more. Made by slitting and stretching metal sheets, this product is known for its diamond-shaped openings that create a decorative effect. As such, it is popularly used in shelving, signage, and ceiling tile applications. The Expanded Metal product comes in both a raised and flattened diamond pattern.

Materials used for our Expanded Metal include Aluminum, Carbon Steel, Galvanized Steel, and Stainless Steel. Expanded Metal Grating and Catwalk Grating are also available. Customers love this product because of the endless options you have with gauges, opening sizes, and sheet sizes. It’ll be sure to fit any project requirements you have!

This Expanded Metal, Flattened, Aluminum, Alloy 3003-H14, Mill Finish, 1/2″ No.081 Flattened, 0.500″ Short Way of Design (SWD), 1.260″ Long Way of Design (LWD), Long Way of Opening (LWO) Parallel to Length of Sheet, 61% Open Area

Description: 

• Diamond-shaped design applied to various opening sizes
• A great option for screens, window security panels, machine guards, signage, ceiling tile, shelving applications, and more
• Raised and flattened options available
• Flattened, Aluminum variation

Ordering:

Review the following options to help you choose the right Exapnded Metal product for your project:

• Application: Applications include screening, ventilations, security enclosures, machine guards, ramps, catwalks, walkways, platforms, cabinet inserts, and more. You can browse more Exapnded Metal applications in our Product and Applications Gallery. 

• Design Direction: Choose from various pattern directions for your design options. This specific products uses the Long Way of Design (LWD), which runs parallel to the length of the sheet. 

• Expanded Type: Choose from flattened, raised, grating, catwalk grating, or designer expanded types. 

• Percent Open Area: All Expanded Metal products come in with various hole openings to meet your specific project needs. Discuss your desired percent of open area with our experts. 

• Primary Material: Choose from Aluminum, Carbon Steel, Galvanized Steel, Stainless Steel, and various custom options. Contact us or review our brochures for more information. 

• Product Size, Form, and Quantity: Choose your sheet sizes or cut-to-size pieces to determine the number of sheets needed to complete your project. You can also choose a shearing preference, including bond or random sheared. 

• Product Finish: Most inventory is mill finish, unless otherwise specified. Learn more about our product finishes on the Expanded Metal Resources page or by reviewing our brochures. You can also contact one of our wire experts to discuss your needs. 

• Special Requirements: Fabrication, edge treatments, finishing, non-standard tolerance, and other special requirements should be specified when ordering. If your project calls for infill panels, ask to see our infill panel worksheet. 

• Tyle and Type: For all expanded types, please specify Short Way of Design (SWD) measurement, material gauge number, and thickness in inches. For Grating and Catwalk Gratin items, your desired pounds per square foot should be noted. 

• Accessories: If extra accessories are required for your application, please contact us. This includes Angle, Flat Bar, U-Edging Framing Solutions, and Fasteners

View our Expanded Metal Resources on tolerances, available sizes and more!

• Common Fractions & Decimal / Millimeter Equivalents
• Expanded Metal Grating & Catwalk Grating Application Guide
• Expanded Metal Tolerances
• Infill Panel Worksheet
• Learn More About Infill Panels
• Primary Material Types

This Expanded Metal load table can be saved, printed or shared!

Grating & Catwalk Grating – Metals (Aluminum, Carbon Steel & Stainless Steel)