Maintenance coatings are general purpose coatings used primarily for maintaining industrial structures and for use as a top coat on a surface whose coating has been detached or ripped off. These coatings are commonly used to protect highway and railroad structures, chemical and manufacturing plants, public utilities, and other, heavy-duty industrial facilities from deterioration by corrosion and harsh environmental conditions.
Metal and paint maintenance coatings are applied in the field to protect steel bridges and various other steel or iron infrastructures.
Metal coatings on structural members are either thermally sprayed or hot-dip galvanized. In the case of fasteners, these may be electroplated, sherardized or hot-dip galvanized.
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