Painting A Rusted Steel Roof

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.

Painting a rusted steel roof.

Painting a rusted metal roof step 1. Some historical homes have terne metal roofs and these need to be painted with oil based paint. Find either oil based or acrylic based paint at your local home improvement store. You can also use oil based alkyd paint but.

Once done you can paint over rust. Make sure you get into all the crevices around the surface of the shed. 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. However badly rusted metal areas need more prep work and possibly a special primer.

Start with a wire brush photo 1. Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer. Scrub the rust away using a stiff wire brush.

No rust remained after wire brushing it then top it with a water or oil based interior exterior rust preventative metal primer available for. Wash the galvanized metal using a pressure washer. Choose a paint that s right for your metal roof. Let the roof dry out thoroughly before applying noxyde coating.

This will remove flaking rust and as much of the surface rust as. Galvanized metal roofs are usually painted with acrylic based paint. Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. Access the rusted galvanized metal roof using an extension ladder.

Apply a primer to. Metal shed painting 1 apply a rust inhibiting primer with a brush. Scrape rust from the roof using a wire. If painting over lightly rusted or bare metal i e.

Wait a full 24 hours for the roof to dry.