How To Paint Your Metal Roof

If no rust is present on the steel a simple pressure washing may be adequate to clean the surface of the roof.

How to paint your metal roof.

Painted metal roofs come with a baked on factory finish and you can re coat these as well. Use a power washer or brush with a mild cleaner to remove grime and debris. How to paint a galvanized metal roof with sherwin williams roof preparation. Just as with pairing your paint to match a galvanized or non galvanized roof the sealant must be compatible with the type of paint in order to be effective.

After successfully painting your metal roof and everything looks great it is your job to keep it that way. Galvanized roofs require the use of a different paint than what is used on terne metal. Terne is best painted with an oil based paint. Choose a paint that s right for your metal roof.

Type of paint to use. Painting metal roofing provides you with a number of steps and decisions throughout the process. Here s how to make sure you make the right calls while addin. Choose a color that goes with the.

Some historical homes have terne metal roofs and these need to be. Ospho will etch the surface of the metal and convert the iron oxide rust into iron phosphate an inert substance that turns the metal black. One of my neighbors used an oil based paint as a primer since some of the metal was rusted and then covered the roof with one of the specially formulated roofing paints that is sold by calbar for use on old metal roofs for an added layer of protection. Choose a product designed for use on outdoor metal applications.

Before applying a new coat of paint you need to get rid of any oil debris and dirt buildup that already exists. For a new and unpainted roof allow it to weather for six months before painting it. Your paint will be unsalvageable if it is applied without sealant. The first trick to corrugated metal roof is to not paint a dirty metal roof.

Sweep away any powder left by the process and you are ready for primer and paint. Coat the entire metal roof surface with a rust inhibiting primer. Step 2 maintain the roof.