How To Seal A Rusty Metal Roof

Apply a thick layer of urethane roofing cement around.

How to seal a rusty metal roof.

Stir thoroughly before applying it with a soft bristled roofing brush or paint roller. Allow to dry for around eight hours then apply a second coat. Everbrite will seal moisture out of rusted metal to help prevent further corrosion and will prevent rust stains. You can buy rubber based roof coating from most major hardware stores.

If any panel is extensively damaged replace it with a. Use a zinc based primer on any areas where rust has been scrubbed or sanded away allowing it to dry before applying the protective roof coating or seal. Rust usually won t eat holes in an aluminum roof but it can discolor the metal. If a rusty roof exists a rust primer must be applied prior to the roof coating.

The seal should last a couple of years with the bonus benefit of adding a layer of insulation to your mobile home. If your roof is aluminum you shouldn t. Regardless of the coating used the coating protects the sealing materials and extends the life of the metal roof. Once the rust is scraped away and the area is rinsed cut two pieces of metal repair mesh at least 1 inch larger than the area to be patched.

Instead use a heavy power washer or a light sand blaster to blast away all the loose flaking rust. The water or sand will also remove dirt mildew and flaking paint from the surface. Elastomeric roof coatings typically have a higher level of aesthetic appeal than an aluminum roof coating. Scrape any cracked or peeling paint from the roof before you repaint it or the new paint coating won t adhere properly.