Paint Over Rusted Metal Roof

Once done you can paint.

Paint over rusted metal roof.

Once done you can paint over rust. No rust remained after wire brushing it then top it with a water or oil based interior exterior rust preventative metal primer available for. Paint can t bond to rust so you ll need to start by restoring the surface. Painting a rusted metal roof step 1.

If painting over lightly rusted or bare metal i e. Can i paint over a rusted roof. Wire brush and power tools 2. To prep metal for paint adhesion you must first clean it with soap and water remove light rust with a wire brush sand it with fine grain sandpaper and then in most cases prime.

Wash the galvanized metal using a pressure washer. Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. Access the rusted galvanized metal roof using an extension ladder.

Brushes and roller for priming rust spots 4. Scrape rust from the roof using a wire. 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. This also works great as metal fence paint or metal shed paint.

You can also use oil based alkyd paint but. Airless spray unit to coat the entire roof. Wait a full 24 hours for the roof to dry. How to prepare a rusted galvanized metal roof for painting step 1.

This will remove flaking rust and as much of the surface rust as. Scrub the rust away using a stiff wire brush.