Painting-outdoor-metal-doors, how to: 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.. Give the metal door a coat of paint in the color you selected. if the door has a simulated wood grain, paint with the grain. use the short-nap roller to apply the paint. if there are ridges, smooth..., steps for painting a door remove the door from its hinge pins with the hammer and place it on the sawhorses. remove the hardware from the door and place it somewhere safe. lightly sand the door with 400-grit sandpaper..

Priming the door with a product designed specifically for metal will keep your paint looking better for longer. use a small paint roller to cover the door with two coats of primer, giving plenty of time for the primer to dry between coats. make sure the primer you are using is compatible with your chosen paint., painting a metal door is somewhat like painting a car -- the quality of the job depends to a large extent on how much effort you put into preparation. you have to fill and flatten dents, or they....

The metal heats up like an oven and, over time, bakes the paint right off the door. after lots of trial and error using many combinations of primers and paint over the years, i have come up with a successful formula. i tested it out on my exterior metal side door last summer, which gets the same amount of sun all year long. it has not cracked.