Painting Old Metal Roof

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.

Painting old metal roof.

Apply the primer with a roller using a paint brush to access. Check with your homeowner s association for any painting regulations. Choose a product designed for use on outdoor metal applications. 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.

The first was their basic coating hp 1000 followed by two coats of hp 5000. Some historical homes have terne metal roofs and these need to be. Galvanized roofs require the use of a different paint than what is used on terne metal. I used three coats.

Acrylic latex paint is a good choice for bare metal roofs and to go over old paint. 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. The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with. Some homeowner s associations have rules about.

I used acrymax from preservation products. Oil based alkyd paint may also be used with an appropriate galvanized metal primer. Terne is best painted with an oil based paint. You can also use oil based alkyd paint but.

Choose a color that goes with the. Coat the entire metal roof surface with a rust inhibiting primer. Choose a paint that s right for your metal roof.