Painting A Rusted Steel Roof

Painting a rusted metal roof step 1.

Painting a rusted steel roof.

Scrape rust from the roof using a wire. How to prepare a rusted galvanized metal roof for painting step 1. Access the rusted galvanized metal roof using an extension ladder. Let the roof dry out thoroughly before applying noxyde coating.

Find either oil based or acrylic based paint at your local home improvement store. Start with a wire brush photo 1. Instructions on how to paint over rust. Make sure you get into all the crevices around the surface of the shed.

Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface. 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. If painting over lightly rusted or bare metal i e.

This will remove flaking rust and as much of the surface rust as. Apply a primer to. Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. Galvanized metal roofs are usually painted with acrylic based paint.

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. Metal shed painting 1 apply a rust inhibiting primer with a brush.

Wash the galvanized metal using a pressure washer. Once done you can paint over rust. 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.

No rust remained after wire brushing it then top it with a water or oil based interior exterior rust preventative metal primer available for.