A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
Painting metal roof black.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
If crawling around on a metal roof in the hot sun does.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
Terne is best painted with an oil based paint.
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This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.
Galvanized roofs require the use of a different paint than what is used on terne metal.
You ll also need to purchase a primer designed for metal roofs.
Not using a sealant.
One of my neighbors used an oil based paint as a primer since some of the metal was rusted and then covered the roof with one of the specially formulated roofing paints that is sold by calbar for use on old.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
This coating is mildew and algae resistant and will not discolor or yellow when exposed to typical high roof temperatures.
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