Old Painted Metal Roof

How do i repaint a metal roof on an old house.

Old painted metal roof.

Use a brush roller or spray can depending on your preference or the size and shape of the metal object. The roof should be swept clean of debris every few weeks to prevent small pests from finding a home in leaves dead branches or long lost golf balls. The paint should adhere to the prepainted metal surface. A wire brush or sandpaper may help loosen tough areas.

We have stunning colors that actually look like real patina d metal. You need only one. Use a paintbrush or a paint roller to spread the primer. 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.

There is no other company in the industry that has an equal color selection or authenticity of paint prints. Oil based alkyd paint may also be used with an appropriate galvanized metal primer. You can also use oil based alkyd paint but. Scrape away any loose or flaking paint using your putty knife.

Photo b shows an area that has been scraped. Terne is best painted with an oil based paint. Choose a day with good weather. Some old roofs have been found to have 30 40 layers of paint on them.

The roof was power washed and a metal putty knife was used to scrape the rust and old paint. Avoid painting in the rain as this could wash your paint away. Sand the entire metal roof surface very lightly with your wire brush or. It could even have multiple coats present.

Apply latex paint to the surface. Galvanized roofs require the use of a different paint than what is used on terne metal. If possible try to. Applying the new paint 1.

Acrylic latex paint is a good choice for bare metal roofs and to go over old paint. In fact even after painting a metal roof it is necessary to perform a cleanup washing down the roof with a mixture of bleach liquid detergents and water at least once every six months. The great majority of the time the roof will have a previous coating on it. Apply a coat of primer to the entire roof.

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. Unfortunately a painter is seldom blessed with the gift of a bare metal roof to work with. Acrylic latex provides the best coverage on prepainted surfaces. You have to be extremely careful not to pierce the metal.

Remove all rust using your wire brush or sandpaper. A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.