How to Paint a Steel Front Door

A steel front door is a great addition to any home. It is durable and has a great look. But, how do you paint a steel front door?

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Remove the old paint from the door with a paint stripper.

To begin, you will need to remove the old paint from the door. This can be done with a paint stripper. There are many different brands and types of paint strippers available, so be sure to read the label carefully to find one that is suitable for use on steel. Once you have selected a paint stripper, follow the instructions on the label for application.

Once the old paint has been removed, you will need to sand the door to create a smooth surface for the new paint. Be sure to use fine sandpaper so that you do not damage the door. Once you have sanded the door, you will need to wipe it down with a clean cloth to remove any dust or debris.

Now that the door is prepared, you can begin painting. Be sure to use a primer designed for use on steel before applying your topcoat of paint. This will help ensure that your new paint job lasts for years to come.

Apply a primer to the door with a paintbrush.

A primer will help the paint to stick to the door and will also provide a barrier between the metal and the paint. Look for a primer that is specifically designed for use on metal surfaces. Apply the primer to the door with a paintbrush, working in small sections and using long, even strokes. Allow the primer to dry completely before moving on to the next step.

Paint the door with a latex paint.

Pick a day to paint when the temperature is above 50 degrees Fahrenheit and there is little wind. If you can, work in the shade so the door doesn’t heat up and dry the paint too quickly.
Start by cleaning the door with a solution of 1/2 cup trisodium phosphate and 1 gallon of water. Rinse it well and let it dry. If the door has a factory-baked-on finish, sand it lightly with 220-grit sandpaper to help the paint adhere. If it’s an older door without a finish, apply a rust-inhibitive primer before painting.

Once the door is cleaned and dry (or primed), open it and prop it up on saw horses or sawhorses. That way you can easily paint all four sides without having to wait for each side to dry before flipping the door over. Start by painting the top and bottom panels, then move on to the sides. Use a high-quality synthetic bristle brush intended for latex paints, and lay on a thick coat of paint. Wait four hours for the paint to dry, then flip the door over and repeat on the other side.

Apply a topcoat to the door with a paintbrush.

A topcoat will protect your door from the elements and help it keep its color. Use a paintbrush to apply the topcoat, moving in the same direction as the grain of the steel. Allow the topcoat to dry for at least four hours before using the door.

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