Painting a galvanized steel panel roof is not all that different from painting other metal objects but you must ensure that the surface is perfectly clean before beginning the application process.
Galvanized metal roof paint.
How to paint a galvanized metal roof with sherwin williams roof preparation.
Type of paint to use.
If it s a newer roof the galvanizing can definitely cause you adhesion problems.
Painted metal roofs come with a baked on factory finish and you can re coat these as well.
Link to product info on amazon first might be a good idea.
If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking.
Galvanized metal roofs are coated with a layer of zinc that inhibits rust.
For a new and unpainted roof allow it to weather for six months before painting it.
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.
Sta kool 805 metal x is a tough white elastomeric roof coating that is formulated for exceptional bonding strength to metal roof surfaces.
This high performance product also contains rust inhibitors which provide long term protection to metal surfaces.