The Benefits of Using expanded walkway mesh

Building material

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Expanded metal is a type of sheet metal which has been cut and stretched to form a regular pattern (often diamond-shaped) of mesh-like material. It is commonly used for fences and grates, and as metallic lath to support plaster or stucco.

Description

Expanded metal is stronger than an equivalent weight of wire mesh such as chicken wire, because the material is flattened, allowing the metal to stay in one piece. The other benefit to expanded metal is that the metal is never completely cut and reconnected, allowing the material to retain its strength.

History

The inventor and patentee of expanded metal is John French Golding, whose first British patent was issued in . He forged partnerships with Hartlepool industrialists Mathew Gray, Christopher Furness and Robert Irving Jr., who, together with W.B Close, brought the manufacture of expanded metal to Hartlepool. The Expanded Metal Company Limited of Hartlepool, United Kingdom, remains a recognised market leader globally in the manufacture of expanded metal to this day and is one of the largest employers locally.

Design

Some commonly used shapes are circles, squares, and diamonds; diamonds are the most popular shapes because of how well the shape absorbs energy and resists mechanical deformation after installation. Other design considerations are the size and angles of the shapes, which will also affect how well the metal absorbs energy and where the energy is spread throughout the expanded metal.

For the diamond shape, there are at least four different angles that come into account, the two acute and two obtuse angles. The larger the angles, the less strength the shape will have because there would be too much space inside the shape. However, if the angles are too small, strength is lost because the shape is too close together, so there is no space for the structure to hold.

The angle in which the shapes are laid also plays a significant role. If the angle is zero, the ends of the shape point to the start and the end of the sheet, making straight lines across the sheet of diamonds. This option provides the most strength when it comes to compressing the sheet on its side. This can even take more pressure than a solid piece of metal because the sheet will compress and spread the pressure throughout the sheet. The other four commonly used angles are 60°, 90°, 90° plus 60°, and 60° plus 90°. A 60° angle puts the diamond diagonal at the start and end to the sheet. A 90° angle makes the diamond vertical to the start and the end of a sheet. The 90° plus 60° and 60° plus 90° angles combine both a 60° angle and a 90° angle; the order of the angles is respective to the order in naming. The expanded metal can be manufactured and supplied as standard mesh; or it can be flattened by further levelling processes to have a smooth surface, which allows usage of mesh in more applications, such as prisons, as it no longer has sharp edges that could cause injury.

Applications

Expanded metal is frequently used to make fences, walkways, and grates, as the material is very durable and strong, unlike lighter and less expensive[dubious &#; discuss] wire mesh. The many small openings in the material allow flow through of air, water, and light, while still providing a mechanical barrier to larger objects. Another advantage to using expanded metal as opposed to plain sheet metal is that the exposed edges of the expanded metal provide more traction, which has led to its use in catwalks or drainage covers.

Large quantities of expanded metal are used by the construction industry as metal lath to support materials such as plaster, stucco, or adobe in walls and other structures.

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Expanded metal is also used by artists, especially sculptors, who use the material to form complex 3-dimensional surfaces and compound curves which can then be covered with plaster, clay, or other materials. For example, Niki de Saint Phalle made extensive use of expanded metal to support the curved surfaces of large-scale architectural sculptures in her Tarot Garden sculpture garden, in Tuscany, Italy.

A similar material made of stiff sheets of paper or cardboard is used as a low-cost cushioning and packaging material.

In contemporary architecture, expanded metal has been used as an exposed facade or screen material which can be formed into simple or complex decorative shapes. Photographic images may be printed on the surface, producing textures or large graphic images, which still allow light to filter through the exterior surface of a building.

Safety

Freshly-cut expanded metal has a large number of exposed sharp edges, requiring caution and protective clothing, such as leather gloves and aprons to prevent skin abrasions and cuts.

Notes

References

Direct Metals® is an expanded metal supplier of versatile, easy-to-install, and economical products! We can customize the metal with a wide range of styles, materials, and finishes. Expanded metal, which includes standard, flattened, architectural, micro, ribbon mesh, and custom-fabricated expanded metal, has many benefits to suit your project&#;s specifications.

Our expanded metal is a durable material that is frequently used to for machine guarding, trailer flooring, filters, separators, baskets, sunshades, storage bins, rack flooring, fencing, and walkway flooring. Galvanized expanded metal, aluminum expanded metal and stainless expanded metal is not easily damaged by environmental factors, such as water damage and corrosion, which makes it a perfect choice for exterior applications. Expanded metal can provide more traction with its exposed edges which has led to its use in catwalks or drainage covers.

Even though expanded metal is a strong product, it is a very lightweight material compared to others, which makes it an easy-to-install option for security applications. It is also very conductive, which means it can conduct heat and electricity, this is because of the lack of welds or breaks in the original sheet.

At Direct Metals®, we take pride in our durable expanded metal products. These metals can have small or large openings in the material that allows for the flow of air, water, and light, while still providing a barrier between larger objects.

You can expect long lasting quality products from a trusted expanded metal supplier! To place an order with Direct Metals® for expanded metal products, please contact us at 1-800-711-, us at , or request a quote!

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