Painting Old Metal Roof

I used acrymax from preservation products.

Painting old metal roof.

Terne is best painted with an oil based paint. This is a huge factor in what coating system you ll want to use and is critical to determining how to prepare the existing surface. Choose a paint that s right for your metal roof. Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint.

Choose a product designed for use on outdoor metal applications. Choose a color that goes with the. 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. Galvanized roofs require the use of a different paint than what is used on terne metal.

A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly. The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with. Some historical homes have terne metal roofs and these need to be. Apply the primer with a roller using a paint brush to access.

Check with your homeowner s association for any painting regulations. Some homeowner s associations have rules about. You can also use oil based alkyd paint but. Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.

There are several different types of metals used in roofing applications. I used three coats. Metal roofs should be coated painted with a specially roof formulated acrylic latex which bonds tightly to metal and becomes a flexible coating 15 20 mils thick.