Prep Metal Roof For Paint

This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.

Prep metal roof for paint.

It should appear dull rather than shiny. Try to achieve a slightly abraded texturized finish as this helps your new paint bond with the roof finish. You can update your roof and prevent further rusting by cleaning it up and giving it a fresh coat of paint. This information is aimed at the residential customer but can easily pertain to a commercial application as well.

You ll also need to purchase a primer designed for metal roofs. This article is meant to clarify the answers to some of the most common questions our customers have about painting a metal roof. Galvanized roofs require the use of a different paint than what is used on terne metal. Before painting on metal prepare the surface so it s clean and rust free.

Metal roofs are prone to rust because they are constantly exposed to the elements. Water resistant metal roofing paint for example can be of great value if you live in a rainy area. If crawling around on a metal roof in the hot sun does. If properly painted the paint will not only improve the appearance but protect the roof from further rusting.

Not using a sealant. 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. If you want to paint a new metal roof though you can prepare it by washing with a weak acid such as diluted vinegar to remove oils and residue first. Before you begin read the labels on all products you re using making sure they are suitable for the type of metal and compatible with each other.

Unfortunately over time this coating can fail leading to minor rust outbreaks. Terne is best painted with an oil based paint. Painting a metal roof introduction. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.

The basic steps for surface prep are. Sand the entire metal roof surface very lightly with your wire brush or sandpaper. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof.

Since there are a wide variety of metal roof colors available you probably won t need to paint your roof within 6 months of installation anyway.