Painting A Rusted Steel Roof

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.

Painting a rusted steel roof.

Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer. Make sure you get into all the crevices around the surface of the shed. Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. Painting a rusted metal roof step 1.

Wash the galvanized metal using a pressure washer. Once done you can paint over rust. Find either oil based or acrylic based paint at your local home improvement store. Access the rusted galvanized metal roof using an extension ladder.

Galvanized metal roofs are usually painted with acrylic based paint. Choose a paint that s right for your metal roof. This will remove flaking rust and as much of the surface rust as. Start with a wire brush photo 1.

Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. No rust remained after wire brushing it then top it with a water or oil based interior exterior rust preventative metal primer available for. Apply a primer to. Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface.

Let the roof dry out thoroughly before applying noxyde coating. You can also use oil based alkyd paint but. Scrub the rust away using a stiff wire brush. If painting over lightly rusted or bare metal i e.

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. Wait a full 24 hours for the roof to dry. How to prepare a rusted galvanized metal roof for painting step 1. Metal shed painting 1 apply a rust inhibiting primer with a brush.

Instructions on how to paint over rust.