In fact repainting a rusted utility trailer every few years will extend its life.
Painting steel trailer roof.
Metal roofs are prone to rust because they are constantly exposed to the elements.
You can update your roof and prevent further rusting by cleaning it up and giving it a fresh coat of paint.
Apply the metal etching primer to the rusted galvanized metal roof using the roller.
Refresh rusted metal with new paint.
Wait three hours for the metal to dry.
Roll in a vertical motion working backward toward the extension ladder.
Choose a paint that s right for your metal roof.
Begin at the far side of the roof.
Some historical homes have terne metal roofs and these need to be painted with oil based paint.
You may also want to seal off the rusty area with a commercial rust sealer.
Find either oil based or acrylic based paint at your local home improvement store.
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.
A rusted utility trailer is by no means past its useful life.
The key to a successful paint job is to remove as much of the rust as possible before painting.
Apply the roof coating to the roof with a clean brush or roller.