The vinyl coating is thinner than the Class 1 Extruded wire. This wire may appear in some specifications and is generally used in commercial applications. The second grade of wire is the “class 2A extruded and bonded” wire. Of course, the extra thickness is due to the wire being not bound to the chain link (so that it does not easily tear or peel).
This wire generally is misrepresented because it is thicker than the higher grade materials. Your residential chain link is typically “non-spec class 1 extruded” wire, meaning the vinyl coating is simply pulled over the wire like a sock over your foot. According to ASTM 668, vinyl coated chain link fencing is specified and ordered by the metallic core wire with the specified coating to follow.
Vinyl coating over finished core wire. Its soft metal properties provide an excellent coating suited for highly acetic environments. Aluminized coating is applied before weaving, providing a dull aluminum finish to the core wire. This coating process tends to leave icicles and nubs from the zinc dripping-off. GAW coating is available in 1.2 oz of coating per square foot or 2 oz of coating per square foot. The speed at which it is dipped and removed dictates the weight of the coating. GAW wire is first woven and then dipped into hot melted zinc. GBW is popular in backyards and sports fencing applications for its smooth finish. This coating process has improved over the years, providing a smooth, consistent and dependable coating. GBW wire galvanizes the wire before weaving. There are three types of core wire coatings. Residential vinyl coated wire using 11½ gauge core wire may have a 9 gauge finish depending on the type of vinyl coating. When referring to vinyl coated wire, you always refer to the core gauge of the wire and then reference the coating. We recommend nothing less than 11½ gauge chain link wire for residential fencing. The smaller the gauge, the more steel and the higher the quality and the strength of the wire. Gauge (ga.) or diameter of wire is one of the most important factors – it dictates how much steel is actually in the fabric. The larger meshes are used in residential. We recommend nothing less than 2 3/8” mesh for residential. 
The smaller the diamond, the more steel is in the fabric. (In other words, how large the diamond is from side to side.) This is an indicator of how much steel is in the product.
Mesh size dictates how far apart the parallel wires are in the mesh. Select your chain link fence fabric based on these three criteria: mesh size, wire gauge and type of protective coating. What are the key criteria for residential chain link fence panels?
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