If your door is paneled start with the panels.
What kind of paint to use on aluminum door.
If you don t see any paint on the rag it was oil based.
Lightly sand the door with 400 grit sandpaper.
Pour the paint into a tray.
Although you can paint aluminum with nearly any paint exterior grade spray paint leaves an even smooth finish without.
Using semigloss exterior paint and a 2 inch angled sash brush with synthetic bristles paint around the edges of the.
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.
Latex paint is acrylic paint mixed with a binding agent that completely covers the surface staying with it no matter what.
Remove the hardware from the door and place it somewhere safe.
Paint a metal door metal doors offer great benefits in security and weather resistance but to keep their surfaces welcoming and rust free you have to keep up with the painting.
If the aluminum is outside use a power washer to remove all grit and grime that can stick to the aluminum surface.
To determine what kind of paint was previously used on the door pour a small amount of rubbing alcohol on a clean white rag or cotton ball.
After the 24 hour drying time has elapsed you can paint the top coat on your garage door.
Then rub the damp rag back and forth on a small less exposed section of the door.
Use the vacuum with the dust attachment to clean off the door then wipe it down with a wet rag.
Paint a section at a time.
Steps for painting a door.
Remove the door from its hinge pins with the hammer and place it on the sawhorses.
When painting metal always use exterior latex paint.
This means that when you use latex paint the paint will move with the door when it expands and compresses in warm and cold weather.
Use a large brush to cut down on your overall painting time.
Oil based exterior paint is a good choice for going over an oil based primer but a 100 percent acrylic exterior paint can also be suitable.
Painting aluminum is a slightly different process than painting an interior or exterior wall so use paint designed to adhere to aluminum.
Step 1 apply a mild soap or detergent with a scrub brush and sponge thoroughly washing the entire surface of the garage door.