This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.
How to paint a metal roof youtube.
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If crawling around on a metal roof in the hot sun does.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area.
Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.
These systems will have better durability than what you buy locally but expect to pay upwards of 400 per gallon for the paint.
To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
I suggest going to a quality paint store and using the system they recommend for repainting metal roofs.
How to restore rusted metal.
Air dry kynar paint systems are available usually best done through a metal roof manufacturer.
How to paint a metal roof.
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Another mistake is to forget or ignore using a sealant before the application of the metal paint.
You ll also need to purchase a primer designed for metal roofs.
Not using a sealant.