| Finishing |
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 1.Cleaning |
 expanded metal is lightly oiled and should be cleaned before finishing. The most common cleaning method is an acid or solvent bath with a water rinse. For aluminum, use a non-etching chemical or detergent, then rinse and dry thoroughly. |
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| 2.Galvanizing |
 It is a popular and common form of finishing. The glalvanized finish should cover the entire surface of material and any supposed or unfinished surface are unacceptable. Hot dip galvanizing is primarily a protective coating and may have a rough uneven appearance. Certain small expanded metal styles do not lend themselves to hot dip galvanizing because the openings become filled with zinc. Warping or distortion may occur during hot dip galvanizing due to the heat of the molten zinc. |
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| 3.Anodizing |
 A surface treatment for aluminum where an oxide coating is added electrochemically to the metal. This type of finish is electrochemically applied in various thickness and offers a wide range of color choices. Coating thickness varies according to the application. The finished surface is smooth and uniform in appearance |
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| 4.Painting, Lacquering, Plastic Coating |
 Be sure the coating used has good surface tension or wetting properties and viscosity to prevent any pullback from metal edges and webbing-in of diamonds. |
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