Cover the floor with an old sheet.
Paint aluminum sliding door frames.
Sand the entire surface of the door frame with 80 to 120 grit sandpaper.
Rustoleum makes good paints to cover metal surfaces.
It recommends to use an etch primer first and be careful with the prep.
If they are metal steel sand lightly to get rid of any dust etc.
Then apply a good primer and then a couple of coats of the color of paint of your choice in an exterior paint.
Painter s tape 2 3 inch thick tape is best for this project roll of kraft paper or wrapping paper.
Aluminum is also used for some bi fold closet and cabinet doors.
Sand until the aluminum is dull to promote paint adhesion.
Tape off the outside border of the door frame with more wrapping paper.
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.
Affix the paper to a sanding block and sand in one direction.
Spray a light even coat of spray primer over all the metal parts of the doorframe.
For indoor projects clean the aluminum by hand with a scrub brush and a spray bottle of degreaser.
Leave the sliding section open until the paint dries.
Aluminium windows and doors are painted using a special process called powder coating.
Use the multi purpose cleaner to clean the doors and sliding track really well.
Almost any colour can be achieved and can be mixed to achieve a specific tone.
How to paint aluminum windows and door frames.
Now on the doors.
Move the sliding section about an inch from the edge of the jamb and paint it in the same order.
Next paint the opposite edge and bottom of the same panel.
It shows how to use spray paint to paint an aluminium window frame the same as your doors.
Vacuum for cleaning sliding glass door tracks and window sills all purpose cleaner.
The aluminium surface is prepared the paint applied electrically and then the section is placed in an oven to bake and finish.
Any good brand of paint for wood might be behr sherwin williams and others.
The first step of any painting project is cleaning.
Following the sequence illustrated above and beginning with the stationary panel paint one vertical edge then paint the top of the frame.