Repair Painting of Prepainted Metallic-Coated Steel Sheet

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Coil-coated paint finishes on metallic-coated steel sheet building panels are designed to provide many years of problem-free service, with a minimum amount of maintenance. That is not to say, however, that they won’t eventually change in appearance, perhaps by losing gloss or becoming discolored. If the service environment is more harsh and aggressive than the coating was designed to withstand, deterioration of the paint coating may occur sooner than might normally be expected. But there are solutions. This document, created by The GalvInfo Center, provides suggested guidelines and practices to be followed when it has been decided that prepainted building panels need to be repainted. Discussed are surface preparation and repainting procedures.

To read and/or download this document, click Repair Painting PDF.

To learn more about zinc-based steel coatings and The GavInfo Center, visit www.galvinfo.com.

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