To prep metal for paint adhesion you must.
Can you paint a metal roof.
Galvanized roofs require the use of a different paint than what is used on terne metal.
This information is aimed at the residential customer but can easily pertain to a commercial application as well.
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.
Whether your roof has been painted previously or not powerwash just before you start painting.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
Don t worry about patches where the paint is in good shape as you can simply paint over those.
Not using a sealant.
Can you paint metal roof a corrugated metal roof is an excellent hard wearing choice for many diy projects such as building outhouses and sheds.
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.
To maintain the roof s integrity and condition you must protect the metal with a layer of paint.
Due to its slick smooth surface metal can be challenging to paint and that can you ve got sitting around in the garage probably won t cut it.
To help the primer and paint adhere to the roof better try lightly scuffing the surface of the metal.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area.
Painting a galvanized steel panel roof is not all that different from painting other metal objects but you must ensure that the surface is perfectly clean before beginning the application process.
This article is meant to clarify the answers to some of the most common questions our customers have about painting a metal roof.
Painting a metal roof introduction.
For instance if you re painting a smaller roof you might use 80 120 grit sandpaper or a wire brush.
You cannot set up roof jacks on a metal roof as you can on a shingled one so if you plan to paint with a brush or roller include a safe way to reach the ridge in your plans.