Allow significant time for the surface to dry.
How to get spray paint off aluminum garage door.
Sand off any flaked paint with an ultrafine grit sanding sponge or sandpaper and wipe off the sanding dust with a rag or sponge.
How to paint metal garage doors.
You can also use a nylon brush to scrub off the debris.
Always ensure that you are standing at least 10 inches away from the garage door as spraying too close will cause the paint to become super thick and patchy.
Removing graffiti from aluminum siding or painted metal garage doors is tricky because chemical remover can quickly strip away the painted factory finish along with the spray paint.
To prep metal for paint adhesion you must first clean it with soap and water remove light rust with a wire brush sand it with fine grain sandpaper and then in most cases prime.
Make sweeping motions with the nozzle and stop periodically to check the progress.
Tape off any trim and cover any surfaces you don t want sprayed such as windows or shrubs with plastic.
Let the door air dry after spraying it.
Start spraying on the surrounding protective newspaper or cloth to get a comfortable pressure on the trigger and then move into the door spraying horizontally in straight lines.
Pressure wash the area on a setting of 80 psi.
Shake a can of exterior grade spray paint to mix the paint.
After it s dry use a paint scraper and scrape off any paint or graffiti that is still there.
Spray down the door with a garden hose to remove any dust dirt grime and the chipped off paint or graffiti from the garage door.
Place a piece of masking tape over the paint and peel it off.
You ll want to paint when the weather is comfortable and dry as paint may not dry to the desired finish if it s too hot or cold outdoors or if conditions are damp or wet from recent rain.
Apply remover sparingly and immediately rinse with water.
Now let s get to what you really want to know.
If the paint comes off with the masking tape it will not stick to the door and will chip or bubble after drying.
There is a little preparation work involved before you actually start painting.
Use a pressure washer and cleaning solution to wash the entire area that is to be painted.