Painting Aluminum Roofing

You can also use oil based alkyd paint but.
Painting aluminum roofing. Aluminum roof paint should be oil based. This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof. Aluminum is seldom available in an acrylic product due to the extreme volatility of suspending an aluminum powder in a water based product. You ll also need to purchase a primer designed for metal roofs.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint. If you have an aluminum roof or are considering installing one keep in mind the importance of maintaining your roof properly. However this paint must specify that it can be used on aluminum. Fibered or asphalt aluminum would be dull in appearance.
A pre mixed solution of this type can be found in most paint stores under the name aluma prep made by amchem. And one of the greatest advantages of aluminum roofing is its energy efficient quality. A good coat of paint goes a long way in extending the life of any quality aluminum roof. Not using a sealant another mistake is to forget or ignore using a sealant before the application of the metal paint.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area. Oil based alkyd paint may also be used with an appropriate galvanized metal primer. It tends to blow the lid off the cans. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
Aluminum roofing is very popular because it offers many advantages. Not only is it affordable but aluminum roofing is also long lasting and environmentally friendly. The roof must be thoroughly cleaned before any primer is added. Apply a cold water and phosphoric acid mixture to prepare the aluminum surfaces to accept and cling to paint.
Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. More than likely it sounds like a traditional aluminum oil based paint on the roof itself. For truly greasy or dirty aluminum siding or other outdoor pieces use a commercial degreaser in the power washer or sprayed on the surface to ensure it is as clean as possible and ready to take on primer and paint. If the aluminum is outside use a power washer to remove all grit and grime that can stick to the aluminum surface.
Most aluminum paints need to be put on in several layers the primer and then several layers.