Removing Rust On Metal Roof

Shirlock homes may 26 14 at 10 51.

Removing rust on metal roof.

Wear goggles and gloves to protect your hands and eyes. Most of the time not every speck of rust needs to be removed before recoating a rusted metal roof. Be careful using chemical rust removers. They can damage painted surfaces as well as remove rust.

A rotary wire wheel on a drill is a good way to buff rust off. If the roof has been painted some years before use a drill with a wire brush to eliminate problem rust patches. The presence of any amount of rust is a sign the protective coating has failed. Cover the bare areas quickly with something like rustoleum primer for rusted metal then paint with an epoxy type paint.

If you have a house or outbuilding with an older galvanized metal roof the best way to avoid rust problems is to paint the roof. Removing rust from your metal roof should always be a priority. Rust usually won t eat holes in an aluminum roof but it can discolor the. Scrape any cracked or peeling paint from the roof before you repaint it or the new paint coating won t adhere properly.

A grinder fitted with a stripping disc grinding wheel fiber or flap disc makes quick work of heavy rust on large objects. Use a wire brush to scrub away the rust spots. Metal roofs suffer most in wet and humid environments. Start by power washing the roof.

Get rid of metal roof rust. Instead use a heavy power washer or a light sand blaster to blast away all the loose flaking rust. This will remove any scaled rust as well as any flaking paint. The water or sand will also remove dirt mildew and flaking paint from the surface.

Coatings such as zinc and additional layers of paint on galvanised corrugated steel roof sheets are all vulnerable.