Painting Metal Roof Before And After

This information is aimed at the residential customer but can easily pertain to a commercial application as well.

Painting metal roof before and after.

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. To properly prepare new metal surfaces use mineral spirits to remove grease and apply a rust inhibitive primer before painting. Wait three hours for the metal to dry. Metal roofs of all kinds have many advantages from being long lasting to shedding water and snow quicker than an asphalt shingle roof.

Painting a metal roof introduction. Try to achieve a slightly abraded texturized finish as this helps your new paint bond with the roof finish. Begin at the far side of the roof. I always prefer painting before the roof is installed to save time masking or holding a shield if spraying.

However it is not uncommon to get scuffs on the facia during a reroof so expect there to be some touch ups needed. This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof. However all painted metal roofs have one downside in common and that is that they have to be repainted periodically. Another mistake is to forget or ignore using a sealant before the application of the metal paint.

After successfully painting your metal roof and everything looks great it is your job to keep it that way. Touch up areas inaccessible to the roller using the 3 or 4 inch nylon paintbrush. Not using a sealant. Roll in a vertical motion working backward toward the extension ladder.

Water resistant metal roofing paint for example can be of great value if you live in a rainy area. Apply the metal etching primer to the rusted galvanized metal roof using the roller. Sand the entire metal roof surface very lightly with your wire brush or sandpaper. Yes the best metal roof paints will withstand lots of abuse from the outside elements but that doesn t mean it can clean itself and deflect all the debris that can pile up over time.

This article is meant to clarify the answers to some of the most common questions our customers have about painting a metal roof. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. 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. Then any paint on the shingles doesn t matter.