Galvanised Steel Roof Paint

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

Galvanised steel roof paint.

Painting a galvanized steel panel roof is not all that different from painting other metal objects but you must ensure that the surface is perfectly clean before beginning the application process. If it s quite old and rusty any primer for metal followed by any outdoor paint designed for metal is probably okay although a rust converter affil. This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof. Unfortunately over time this coating can fail leading to minor rust outbreaks.

Get off as much paint or rust as you can. If it s a newer roof the galvanizing can definitely cause you adhesion problems. Use your putty knife or scraper to scrape off any peeling paint or accumulated rust on your metal roof. However paint on metal roofs often peels or rusts in which case it is time to repaint it.

Another mistake is to forget or ignore using a sealant before the application of the metal paint. You can also use oil based alkyd paint but. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. Avoid using alkyd based paints such as spray paint on galvanized steel.

If you have a kitchen then you probably already have this handy solution. Galvanized metal roofs are usually painted with acrylic based paint. Water resistant metal roofing paint for example can be of great value if you live in a rainy area. Metal x expands and contracts with the roof s movement to resist cracking and peeling.

This high performance product also contains rust inhibitors which provide long term protection to metal surfaces. Find either oil based or acrylic based paint at your local home improvement store. Not using a sealant. The secret to painting galvanized steel is white vinegar.

Introduce your secret weapon. Many metal roofs are made out of galvanized metal which is a type of metal that has been covered with hot zinc in order to protect it from the weather. If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.

To ensure that you know what kind of metal your roof is made out of and what kind of paint you should use ask a professional roofer to inspect your home. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.