Paintimg Old Metal Roof

The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with.

Paintimg old metal roof.

Welcome to painted rusted roofing western states metal roofing is the leader in painted metal roofing products that look old and weathered. Apply the primer with a roller using a paint brush to access. We have stunning colors that actually look like real patina d metal. For a new and unpainted roof allow it to weather for six months before painting it.

There are several different types of metals used in roofing applications. Type of paint to use. Galvanized roofs require the use of a different paint than what is used on terne metal. 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.

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. Oil based alkyd paint may also be used with an appropriate galvanized metal primer. Remove patches of rust if you find them. Press the scraper or knife firmly against the paint.

I used acrymax from preservation products. 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. There is no other company in the industry that has an equal color selection or authenticity of paint prints. How to paint a galvanized metal roof with sherwin williams roof preparation.

Choose a product designed for use on outdoor metal applications. Removing the old paint 1. Acrylic latex paint is a good choice for bare metal roofs and to go over old paint. The first was their basic coating hp 1000 followed by two coats of hp 5000.

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. A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly. Use a paint scraper or a putty knife to scrape away loose paint. Terne is best painted with an oil based paint.

I used three coats. To prep metal for paint adhesion you must first clean it with soap and water remove light rust with a wire brush sand it with fine grain sandpaper and then in most cases prime. Painted metal roofs come with a baked on factory finish and you can re coat these as well. Coat the entire metal roof surface with a rust inhibiting primer.