Can You Paint Over A Metal Roof

Not using a sealant.

Can you paint over a metal roof.

Sand the entire metal roof surface very lightly with your wire brush or sandpaper. Be extremely careful not to pierce the metal when scraping. Another mistake is to forget or ignore using a sealant before the application of the metal paint. Metal surfaces require specialized primer and paint for good paint adhesion.

If you choose the wrong paint you are putting your roof at the risk of molding and rotting over time. Water resistant metal roofing paint for example can be of great value if you live in a rainy area. People assume that if they use waterproof paint it will be better for their roof but instead of protecting your shingles it creates a barrier that traps moisture in leaving your home at the risk of molding. To prep metal for paint adhesion you must.

This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof. Prepainted metallic surfaces can be treated almost like any other basic latex or oil painted surface. Before painting you ll still need to do a little. If you have a terne metal roof like this one then it has probably been repainted several times over the years.

Although it isn t recommended to use a metal implement to scrape the roof it was the only way to remove the loose rust and old paint. However if you want to paint over prepainted metal you re in luck. Due to its slick smooth surface metal can be challenging to paint and that can you ve got sitting around in the garage probably won t cut it. Painting a roof can be a difficult job that takes a long time so you should consider hiring professional painters to do the work.

If you want to paint a new metal roof though you can prepare it by washing with a weak acid such as diluted vinegar to remove oils and residue first. If the paint on your metal roof is starting to crack and peel or if you re tired of its color it might be time to paint your roof.