Overtime those bubbles can show or cause the paint to bubble and flake.
Prime aluminum siding with oil based or acrylic.
While you can use either oil based primer tends to work better on aluminum.
Then apply two coats of a 100 acrylic latex paint by whichever application method you prefer.
Acrylic paint is durable and long lasting and is best for use on siding wood fiber cement or aluminum stucco plaster drywall and porch floors.
Choose a primer made for metal for the best results.
Prep aluminum siding well before using paint or primer.
Rust oleum z prime superfast oil based primer.
Latex primer can cause a chemical reaction with the aluminum that forms small gas bubbles.
As good as latex primers are these days don t use them in this situation because chemicals in the mix will react with the aluminum.
Rust oleum stops rust 1 qt.
Best for latex acrylic paint.
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Painting aluminum siding is best with oil based paint and a good acrylic metal primer.
Flat gray water based interior exterior aluminum primer 2 pack model 8781402 57 96 case 28 98 can 57 96 case 28 98 can free delivery.
That said the paint itself should be the highest grade of 100 acrylic exterior latex you can find.
The key to successful painting of aluminum siding is oil base primer.
Oil based paint oil based paint creates a stronger and more durable finish making it an excellent choice for exterior paint projects.
Aluminum and tempered hardboard are all easily finished with the z prime.
Most high quality paints will apply directly over aluminum siding without the need for a primer but make sure you read the manufacturer s recommendations on the can before you grab one off the shelf.
You will have to wait longer for an oil primer to dry but it s better than having to re do everything within a year or two.
Once the primer is dry top coat with a 100 acrylic paint.
Look here for tips on choosing the best paint for aluminum siding.