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