Paint Rusty Metal Barn Roof

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

Paint rusty metal barn roof.

To paint a rusty metal shed you ll need to sand away the rust apply a special primer then paint it. Apply a primer to. The first thing you ll need to do is wash your shed with warm soapy water. Insert the black tip on the power washer wand.

Access the rusted galvanized metal roof using an extension ladder. Scrape rust from the roof using a wire. Treat any flash rust by rubbing paint thinner onto the surface. The black tip provides enough pressure to clean without stripping the existing paint.

Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. Wait a full 24 hours for the roof to dry. You can also use oil based alkyd paint but. 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.

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. Wash the galvanized metal using a pressure washer. Combine 1 1 2 cups tsp for every 5 gallons of hot water. Scrub the rust away using a stiff wire brush.

This will remove flaking rust and as much of the surface rust as. How to prepare a rusted galvanized metal roof for painting step 1. Instructions on how to paint over rust. Painting a rusted metal roof step 1.