How To Seal A Rusty Metal Roof

Roll in a vertical motion working backward toward the extension ladder.

How to seal a rusty metal roof.

If your roof is aluminum you shouldn t. Begin at the far side of the roof. As it dries the acid of the vinegar will begin to corrode the surface of the metal and you will start to see rust appear. If any panel is extensively damaged replace it with a.

Start with a wire brush photo 1. On raw steel or rusted metal 3 to 4 coats are recommended because the metal is very porous. This is a very important repair that could save your roof. Everbrite will seal moisture out of rusted metal to help prevent further corrosion and will prevent rust stains.

Rust usually won t eat holes in an aluminum roof but it can discolor the metal. Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer. Apply a solution of hydrogen peroxide vinegar and salt. The seal should last a couple of years with the bonus benefit of adding a layer of insulation to your mobile home.

Scrape any cracked or peeling paint from the roof before you repaint it or the new paint coating won t adhere properly. We then applied a semi gloss lacquer 3 coats interior application using a deft product. Once done you can paint over rust. On most metals two coats of everbrite clear protective coating are recommended.

Apply the metal etching primer to the rusted galvanized metal roof using the roller. However badly rusted metal areas need more prep work and possibly a special primer. Allow to dry for around eight hours then apply a second coat. He recommended a product called penetrol normally used as a paint additive to improve flow and adhesion that also seals and stops rust.

Stir thoroughly before applying it with a soft bristled roofing brush or paint roller. I have a 20 gauge cold rolled steel that has been cleaned w soap water and then we applied a solution of water acid to speed up the rusting process. Wait three hours for the metal to dry.