Painted Metal Roof Before And After

Before painting you ll still need to do a little.

Painted metal roof before and after.

Painting metal roofing provides you with a number of steps and decisions throughout the process. Metal surfaces require specialized primer and paint for good paint adhesion. Painting a metal roof introduction. Unfortunately over time this coating can fail leading to minor rust outbreaks.

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. Painted metal roofs come with. Atmospheric dirt will help mute the difference as well. This article is meant to clarify the answers to some of the most common questions our customers have about painting a metal roof.

Before you dive head long into painting your metal roof you need to determine what type of metal it is because although it may appear to be galvanized it may in fact be what is known as terne metal. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. Metal can be painted and coated over and the darker the color the more of the suns radiant energy it will absorb i e. I always prefer painting before the roof is installed to save time masking or holding a shield if spraying.

If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking. If you paint the roof you should paint both sections. Just before painting wash the roof with a power washer at a pressure of 2 500 pounds per square inch whether it is a new or an old one that requires re painting. Prepainted metallic surfaces can be treated almost like any other basic latex or oil painted surface.

However all painted metal roofs have one downside in common and that is that they have to be repainted periodically. This information is aimed at the residential customer but can easily pertain to a commercial application as well. Sand the entire metal roof surface very lightly with your wire brush or sandpaper. Then any paint on the shingles doesn t matter.

If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. However it is not uncommon to get scuffs on the facia during a reroof so expect there to be some touch ups needed. You ll also need to purchase a primer designed for metal roofs. Its likely the color variance will tone down over time.