The key difference is how you prepare the surface for painting.
Painting aluminium roof bars.
Apply aluminum metal treat to any bare areas.
Painting this section of your house that has a steep roof is impossible without a way to safely stay on it.
Thoroughly clean the aluminum and let dry.
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 metal roofs for an added layer of protection.
Terne is best painted with an oil based paint.
I work in aviation and when painting aluminum follow these steps.
While painting aluminum increases its aesthetic it also prolongs its life with a hard wearing top coat of paint and sealant that can stand up to harsh weather and soaring temperatures.
The paint must be oil based and specific to aluminum roofs.
The results are worth the effort however.
Step 2 sweep the whole roof with a broom.
Aluminum roof paint should be oil based.
Choose a paint that s right for your metal roof.
Find either oil based or acrylic based paint at your local home improvement store.
Polish with low grit to high grit until your standard is met 3 optional.
Apply paint multiple coats and.
Galvanized metal roofs are usually painted with acrylic based paint.
The wrong kind of paint could produce disastrous results.
The overall process is simple but it can be time consuming because you must wait for each layer primer paint and sealer to dry and cure.
Sand the metal surface with coarse then fine grit sandpaper.
Painting aluminium step 1 ensure that the surface you intend to paint is clean and free from dirt grease oil or anything else that could potentially interfere with the paint s application and adherence.
Any paint you use on an aluminum roof needs to be made specifically for aluminum.
There are some acrylic base primers and paint that will work on chalky aluminum.
Apply self etching primer let dry then sand again.
You can create farmhouse style signs or modern designs with paint on ruffled or flat aluminum siding which is much more attractive than plain aluminum.
Remove any old paint 2.
Buy aluminum roof paint and oil based metal primer from the local hardware store.
Polish in the same direction and finish with scotch bright for a smooth finish.
