Painting A Rusted Steel Roof

Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface.

Painting a rusted steel roof.

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. 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. Apply a primer to.

Make sure you get into all the crevices around the surface of the shed. No rust remained after wire brushing it then top it with a water or oil based interior exterior rust preventative metal primer available for. Some historical homes have terne metal roofs and these need to be painted with oil based paint. Metal shed painting 1 apply a rust inhibiting primer with a brush.

Once done you can paint over rust. If painting over lightly rusted or bare metal i e. This will remove flaking rust and as much of the surface rust as. Find either oil based or acrylic based paint at your local home improvement store.

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. Scrub the rust away using a stiff wire brush. Wait a full 24 hours for the roof to dry.

Let the roof dry out thoroughly before applying noxyde coating. However badly rusted metal areas need more prep work and possibly a special primer. Start with a wire brush photo 1. Scrape rust from the roof using a wire.

How to prepare a rusted galvanized metal roof for painting step 1. Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. Instructions on how to paint over rust. You can also use oil based alkyd paint but.

Choose a paint that s right for your metal roof.