Best Way To Paint A Metal Roof

A roof that will be often exposed to direct sunlight will perform best with a different paint composition than one in a damp shaded area.

Best way to paint a metal roof. Not using a sealant. 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. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. Galvanized roofs require the use of a different paint than what is used on terne metal.

The type of paint you should use for the topcoat on your metal roof will depend on the weather conditions and roof position. Try to achieve a slightly abraded texturized finish as this helps your new paint bond with the roof finish. To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof. If painting light to moderately used indoor metal surfaces think wall sconces bed frames or guest room night tables go with water based acrylic paint a cheaper 15 to 40 per gallon.

One of my neighbors used an oil based. Another mistake is to forget or ignore using a sealant before the application of the metal paint. Unfortunately over time this coating can fail leading to minor rust outbreaks. You ll also need to purchase a primer designed for metal roofs.

Galvanized metal roofs are coated with a layer of zinc that inhibits rust. Terne is best painted with an oil based paint. You cannot set up roof jacks on a metal roof as you can on a shingled one so if you plan to paint with a brush or roller include a safe way to reach the ridge in your plans. Sand the entire metal roof surface very lightly with your wire brush or sandpaper.

Unfortunately those funds needed to hire a professional are not always readily available. Water resistant metal roofing paint for example can be of great value if you live in a rainy area. Terne metal roofs are extremely long lasting but because they look very similar to galvanized metal a person can unknowingly invite problems if they use the wrong paint.