Paint Over Rusted Metal Roof

Getting a rusty metal object ready for painting takes a bit of work but it s totally doable.

Paint over rusted metal roof.

Elbow grease will do the trick for lightly rusted metal but tougher jobs may require a power sander or chemicals. You can also use oil based alkyd paint but. Painting a rusted metal roof step 1. Scrape rust from the roof using a wire.

Wait a full 24 hours for the roof to dry. Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. If painting over lightly rusted or bare metal i e. For spots that are very badly rusted or too delicate or detailed to clean thoroughly use a product like rust oleum rust reformer which soaks into the rust and changes it into a non rusting paintable surface photo 3.

Wash the galvanized metal using a pressure washer. Brushes and roller for priming rust spots 4. Scrub the rust away using a stiff wire brush. Once done you can paint over rust.

Paint can t bond to rust so you ll need to start by restoring the surface. No rust remained after wire brushing it then top it with a water or oil based interior exterior rust preventative metal primer available for. Once done you can paint. Airless spray unit to coat the entire roof.

Access the rusted galvanized metal roof using an extension ladder. Can i paint over a rusted roof. Wire brush and power tools 2. This also works great as metal fence paint or metal shed paint.

Apply a primer to. How to prepare a rusted galvanized metal roof for painting step 1.