Paint Rusty Metal Barn Roof

Treat any flash rust by rubbing paint thinner onto the surface.

Paint rusty metal barn roof.

You can also use oil based alkyd paint but. The black tip provides enough pressure to clean without stripping the existing paint. Dirt can increase rust so this way you start with a good foundation. Access the rusted galvanized metal roof using an extension ladder.

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 the rust away using a stiff wire brush. Begin with the roof and use the power washer with the tsp solution to thoroughly clean the pole barn in 8 foot by 8 foot sections. The first thing you ll need to do is wash your shed with warm soapy water.

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. Insert the black tip on the power washer wand. Wait a full 24 hours for the roof to dry.

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. Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. Scrape rust from the roof using a wire.

Apply a primer to. This will remove flaking rust and as much of the surface rust as. To paint a rusty metal shed you ll need to sand away the rust apply a special primer then paint it. Combine 1 1 2 cups tsp for every 5 gallons of hot water.