Removing Rust From Metal Roof

Galvanized metal is coated with a layer of zinc to protect the iron or steel underneath.

Removing rust from metal roof.

Rust facts rust is the reaction of oxygen moisture and metal that results in reddish. The rust removal process opens up the bare metal surface and it will re rust quickly in the presence of any moisture. Left untreated white rust corrodes the zinc and the metal underneath begins to rust exhibiting the more traditional brownish red color. A clean roof looks wonderful on a house but if you have metal roofs rust stains can become a problem metal roofs have come a long way from the old days of using corrugated steel.

Most metal roofing is made of galvanized metal or coated to prevent rust from occurring but standing water and the heat generated by direct sunlight can wear the roof s protection away. However badly rusted metal areas need more prep work and possibly a special primer. They re harsh chemicals that give off some pretty intense fumes so suit up with rubber gloves goggles and a respirator. If the item is exposed to continually wet conditions the zinc develops a film known as white rust.

Start with a wire brush photo 1. Tin roofs used on homes can range from bare metal to artfully crafted and painted roofs that resemble tile. First put on a pair of rubber gloves a dust mask and some protective eyewear. In consideration that you would be working on a part of your roof be prepared ahead of time how you plan to deal with matching in the paint with the reset of the roof.

A dirty roof can detract from your home s curb appeal and resale value while potentially harboring water and other corroding materials that can cause your metal roof to rust. Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer. To remove rust from large metal items you can use an acidic rust removal chemical treatment. Working with rust removal chemicals can be dangerous so make sure you take the proper safety precautions.

These days they re often very elaborate and available in different colors to match the rest of your house. Fill a plastic container with a little bit of your rust remover. Once done you can paint over rust.