Some historical homes have terne metal roofs and these need to be painted with oil based paint.
Painting steel trailer roof.
Choose a paint that s right for your metal roof.
Galvanized metal roofs are usually painted with acrylic based paint.
This may be easier if you pour some of the roof coating into a paint pan.
Find either oil based or acrylic based paint at your local home improvement store.
You may also want to seal off the rusty area with a commercial rust sealer.
It is important to follow the directions on the roof coating as to how thick the coating should be applied and how many square feet a container of roof coating should cover.
Refresh rusted metal with new paint.
Roller brush or paint sprayer.
Wait three hours for the metal to dry.
The key to a successful paint job is to remove as much of the rust as possible before painting.
In fact repainting a rusted utility trailer every few years will extend its life.
Begin at the far side of the roof.
Metal roofs are prone to rust because they are constantly exposed to the elements.
Roll in a vertical motion working backward toward the extension ladder.
Apply the metal etching primer to the rusted galvanized metal roof using the roller.