Galvanized roofs require the use of a different paint than what is used on terne metal.
Best paint for metal roof.
Not using a sealant.
Painting metal roofing provides you with a number of steps and decisions throughout the process.
Terne metal roofs are extremely long lasting but because they look very similar to galvanized metal a person can unknowingly invite problems if they use the wrong paint.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
You ll also need to purchase a primer designed for metal roofs.
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.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.
This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.
If crawling around on a metal roof in the hot sun does.
If painting light to moderately used indoor metal surfaces think wall sconces bed frames or guest room night tables go with water based acrylic paint a cheaper 15 to 40 per gallon.
Terne is best painted with an oil based paint.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.