If crawling around on a metal roof in the hot sun does.
Best paint for galvanized metal roof.
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.
Galvanized metal requires either a zinc dust type paint or a latex paint.
My house was built circa 1880 and still has its original terne metal roof which consists of individual metal shingles with an embossed decorative pattern.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
Although you can.
How to paint galvanized steel roofing panels.
Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.
You ll also need to purchase a primer designed for metal roofs.
If it s a newer roof the galvanizing can definitely cause you adhesion problems.
After many years of exposure to the elements the paint on the roof began to wear off crack and peel necessitating.
Link to product info on amazon first might be a good idea.
If it s quite old and rusty any primer for metal followed by any outdoor paint designed for metal is probably okay although a rust converter affil.
Metal roofing panels are often made of galvanized steel because it is resistant to water damage and is highly durable to impact.