Painting A Rusted Steel Roof

Painting a rusted metal roof step 1.

Painting a rusted steel roof.

Once done you can paint over rust. Start with a wire brush photo 1. Apply a primer to. 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.

Choose a paint that s right for your metal roof. Wait a full 24 hours for the roof to dry. Scrape rust from the roof using a wire. Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface.

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. Find either oil based or acrylic based paint at your local home improvement store. Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint.

Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer. However badly rusted metal areas need more prep work and possibly a special primer. This will remove flaking rust and as much of the surface rust as. Let the roof dry out thoroughly before applying noxyde coating.

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. Metal shed painting 1 apply a rust inhibiting primer with a brush. Access the rusted galvanized metal roof using an extension ladder. 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. You can also use oil based alkyd paint but. Some historical homes have terne metal roofs and these need to be painted with oil based paint. If painting over lightly rusted or bare metal i e.

Galvanized metal roofs are usually painted with acrylic based paint.