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.

Painting a rusted steel roof.

Make sure you get into all the crevices around the surface of the shed. Instructions on how to paint over rust. If painting over lightly rusted or bare metal i e. Scrape rust from the roof using a wire.

Choose a paint that s right for your metal roof. However badly rusted metal areas need more prep work and possibly a special primer. Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface. This will remove flaking rust and as much of the surface rust as.

Once done you can paint over rust. Galvanized metal roofs are usually painted with acrylic based paint. Painting a rusted metal roof step 1. Some historical homes have terne metal roofs and these need to be painted with oil based paint.

Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. Scrub the rust away using a stiff wire brush. Start with a wire brush photo 1. Metal shed painting 1 apply a rust inhibiting primer with a brush.

Apply a primer to. Find either oil based or acrylic based paint at your local home improvement store. Access the rusted galvanized metal roof using an extension ladder. You can also use oil based alkyd paint but.

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. Wait a full 24 hours for the roof to dry. Wash the galvanized metal using a pressure washer. How to prepare a rusted galvanized metal roof for painting step 1.

Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water.