How do I paint galvanized structure on carports?
Can someone tell me what kind of preparations I need to do to paint my galvanized structure on my car ports? Someone told me I need to wipe it down with vinegar before painting! Is this true? Thanks for any suggestions you might have.
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Galvanized metal is difficult to paint because it's coated with a layer of oil to prevent white rust. Alkyd and oil-based paints may seem to stick at first, but the oily ...Missing: structure ‎| ‎Must include: ‎ structurePrep is the key to any successful paint job. Vinegar will work, but must be rinsed and let dry thoroughly before priming. Whoever suggested that, probably uses because it is incredibly inexpensive. TSP or any degreaser, (rubbing alcohol would work too, you just need the surface squeaky clean and dry) will work. Let dry thoroughly in between coats.
Yes. You need to cut through the zinc galvanized coating or paint will crack and peel.. Vinegar is acid enough to do it. Back in the day of galvanized gutters, vinegar was used to etch the coating for paint.
Clean new galvanized metal surfaces with a water based cleaner/degreaser to remove any oil or and contaminants. Once the metal has dried, dampen a cloth with white vinegar and wipe the surface down. The acid in the vinegar will act to etch the metal and help the paint adhere.
Hi Shirley, you do have to do some prep work to avoid the new paint peeling, this thould give you some guidance
https://home.howstuffworks.com/home-improvement/home-diy/painting/how-to-paint-galvanized-metal.htm