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Chain-link fencing showing the diamond patterning A chain-link fence bordering a residential property. A chain-link fence (also referred to as wire netting, wire-mesh fence, chain-wire fence, cyclone fence, hurricane fence, or diamond-mesh fence) is a type of woven fence usually made from galvanized or linear low-density polyethylene-coated steel wire.
mesh size and shape: made from hexagonal wire mesh, circular rings or cables, this latter forming either rectangular, square, rhombus or water-drops mesh shapes; distance between supporting posts (ie. length of the mesh panels) number and lay out of the cables and brakes (if any) brakes (if any): various technologies and activation force levels
This type of mesh is a square grid of uniformly placed wires, welded at all intersections, and meeting the requirements of ASTM A185 and A497 or other standards. [1] The sizes are specified by combining the spacing, in inches or mm, and the wire cross section area in hundredths of square inches or mm2. The common sizes are in the following table:
Chain-link fencing; Metal railings; Palisade fencing; Rolled mesh fencing; Timber fencing; Welded wire mesh fence fencing; Vertical bar fencing has been the most popular form of perimeter security fence since the 1980s. Since the 2000s, welded wire mesh and acoustic barriers have also become popular types of perimeter fence around the world.
The rigid mesh system has proven popular, and is now a first choice on many types of projects including construction, civil, utilities and temporary works. Welded wire mesh fences are used predominantly as high security barriers where visibility through the fence is necessary or desirable. It is also used for animal enclosures in zoos. [1]
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.