Garage doors are typically made from galvanized metal which conventional paints have trouble sticking to.
Painting bare metal garage door.
Since darker colors absorb more heat which can lead to peeling you might want to stick with a lighter shade.
Re apply several coats of paint until the metal is completely coloured with no metal shining through.
Next prime any bare spots with a latex primer designed for use on galvanized metal then topcoat the door with a high quality exterior acrylic latex paint.
Good luck with your project tags.
Follow these steps to successfully paint your metal garage door yourself.
Metal garage doors can be painted by brush or by roller but if using a roller try and use one with natural fibers rather than man made.
You could just grab any old gloss and slap it onto the surface but within days it will start flaking and peeling off.
Preparation is key to painting a domestic or industrial metal garage door.
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.
There is a little preparation work involved before you actually start painting.
How to paint metal garage doors.
Douse the metal garage door with water use a garden hose at high setting to spray your metal garage door and wash away dust dirt grime grease or debris.