Expanded Metal

Our expanded metal is a very versatile and economical product made from a high-quality sheet of aluminum, carbon steel, galvanized steel or stainless steel that is uniformly slit and stretched, forming diamond-shaped openings in the sheet that allow for the passage of light, air, heat and sound. The expanded metal sheet strands and bonds of the diamonds add strength and rigidity. Because no metal is lost in the expanding process, expanded metal is a cost effective alternative to perforated metal.

 Complete expanded metal section of our catalog (PDF)

Regular/Standard Standard Expanded Metal is an extremely versatile and economical metal product and is offered in your choice of material, gauge and opening size. Standard expanded metal sheet is the best choice when a raised, slip resistant surface that is more rigid is needed.
Flattened Flattened Expanded Metal has been cold rolled through a machine that flattens the metal after the expansion process. Flat expanded metal sheet is the perfect choice when a smooth surface is desired. We stock flattened expanded metal in a wide variety of materials and opening sizes.
Architectural Expanded Metal Architectural Expanded Metal is extremely economical, and expanded metal sheet can be adapted for use in just about any architectural metal project. We stock architectural expanded metal in aluminum, carbon steel and stainless steel in a variety of sizes, weights and finishes. Architectural expanded metal sheet is also available in flattened or standard styles.
Micro Micro Expanded Metal is suitable for use in filters as well as several other applications. Micro expanded metal sheet features small openings in a lighter gauge sheet of metal and is available in standard, flattened and hexagonal patterns.
Ribbon Mesh Ribbon Mesh Expanded Metal is an architectural expanded metal with solid bands of ribbon-like contoured shapes that are built into a metal sheet. We carry ribbon mesh expanded metal in your choice of patterns and materials.
Custom Fabrication Custom Fabricated Expanded Metal is stocked in various patterns and can be custom fabricated to unique shapes and sizes such as circle, rectangle and oblong.
U-Edging U-edging is an expanded metal product accessory that is a u-shaped strip attached to the edge of an expanded metal sheet to make the edges more attractive and safer. U-edging is available in carbon steel, stainless steel, aluminum and galvanized steel.


Expanded Metal FAQ

Q: What types of materials are made into expanded metal sheet?
A: There are many types of materials made into expanded metal sheet. For example, aluminum, carbon steel, stainless steel, nickel, silver and copper can all be made into expanded metal sheets.

Q: Why is the percent of open area important for expanded metal sheet?
A: The percent of open area determines the amount of space for the passage of air, water and light. This is important for engineers to know based on the end application the expanded metal sheet is used for.

Q: What applications are commonly made with expanded metal?
A: Expanded metal is extremely diverse. One common application is security mesh for the protection of industrial machinery and electrical equipment, or unwanted access to restricted areas. Other applications include railing mesh, fences, vents and shelves. Heavy carbon steel expanded metal can be used as stair treads for oil tanks, working platforms, corridors and walkways. Expanded metal is also used the construction of roads, bridges, railways, ramps and steel flooring.

Q: What do SWD and LWD refer to regarding expanded metal sheet?
A: SWD stands for Short Way of the Diamond and LWD stands for Long Way of the Diamond. These acronyms are used when ordering expanded metal sheet.

Q: What is your pricing for expanded metal?
A: With so many expanded metal products – each with different pattern options, material types and finishes – it is best to call our sales department for pricing. Direct Metals staff are experienced with our expanded metal inventory and can provide you with the pricing info you require.

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