Painting A Rusted Steel Roof

Make sure you get into all the crevices around the surface of the shed.

Painting a rusted steel roof.

How to prepare a rusted galvanized metal roof for painting step 1. Some historical homes have terne metal roofs and these need to be painted with oil based paint. Wait a full 24 hours for the roof to dry. Painting a rusted metal roof step 1.

Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. You can also use oil based alkyd paint but. Let the roof dry out thoroughly before applying noxyde coating. Access the rusted galvanized metal roof using an extension ladder.

Scrub the rust away using a stiff wire brush. 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. Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer. Instructions on how to 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. Metal shed painting 1 apply a rust inhibiting primer with a brush. Apply a primer to. 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. Find either oil based or acrylic based paint at your local home improvement store. Scrape rust from the roof using a wire. Start with a wire brush photo 1.

However badly rusted metal areas need more prep work and possibly a special primer. 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. Once done you can paint over rust. Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface.

Galvanized metal roofs are usually painted with acrylic based paint.