How To Seal A Rusty Metal Roof

Begin at the far side of the roof.

How to seal a rusty metal roof.

If any panel is extensively damaged replace it with a. Allow to dry for around eight hours then apply a second coat. 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. Start with a wire brush photo 1.

You can buy rubber based roof coating from most major hardware stores. Scrape any cracked or peeling paint from the roof before you repaint it or the new paint coating won t adhere properly. This is a very important repair that could save your 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.

Roll in a vertical motion working backward toward the extension ladder. If your roof is aluminum you shouldn t. Stir thoroughly before applying it with a soft bristled roofing brush or paint roller. The seal should last a couple of years with the bonus benefit of adding a layer of insulation to your mobile home.

On raw steel or rusted metal 3 to 4 coats are recommended because the metal is very porous. Once done you can paint over rust. Apply the metal etching primer to the rusted galvanized metal roof using the roller. We then applied a semi gloss lacquer 3 coats interior application using a deft product.

On most metals two coats of everbrite clear protective coating are recommended. 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. It can be used alone as a base coat on bare metal and will fix the rust while preserving the appearance.

Wait three hours for the metal to dry. 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.