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.
How to seal a rusty metal roof.
Apply the metal etching primer to the rusted galvanized metal roof using the roller.
If your roof is aluminum you shouldn t.
Everbrite will seal moisture out of rusted metal to help prevent further corrosion and will prevent rust stains.
This is a very important repair that could save your roof.
On raw steel or rusted metal 3 to 4 coats are recommended because the metal is very porous.
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.
It can be used alone as a base coat on bare metal and will fix the rust while preserving the appearance.
Once done you can paint over rust.
The seal should last a couple of years with the bonus benefit of adding a layer of insulation to your mobile home.
Start with a wire brush photo 1.
Rust usually won t eat holes in an aluminum roof but it can discolor the metal.
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.
Apply a solution of hydrogen peroxide vinegar and salt.
Roll in a vertical motion working backward toward the extension ladder.
He recommended a product called penetrol normally used as a paint additive to improve flow and adhesion that also seals and stops rust.
Begin at the far side of the 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.
If any panel is extensively damaged replace it with a.
On most metals two coats of everbrite clear protective coating are recommended.
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.
You can buy rubber based roof coating from most major hardware stores.