Protect Metal Garage Door From Rust

Primer can also help prevent future rust on the door.

Protect metal garage door from rust.

Coat the sanded areas at the bottom of the garage door with a zinc chromate primer using a paintbrush. Roughen the surface of the metal garage door with a hand sander and medium grit sandpaper. One of the main steps to preventing rust is to lubricate the garage door parts focusing mainly on. A spray primer is often easier to apply in even layers without brush marks.

Priming the metal doors is an important step to ensure you get a smooth finish. Choose a primer designed specifically for metal and for outdoor use if you re painting an exterior door. Let the primer dry. Sand the entire door not just the oxidized areas to help the primer stick to the door.

The zinc chromate helps prevent further rust from developing. Cleaning the garage door on a regular basis is necessary to prevent dirt and salt from accumulating. If paint or rust is flaking off the surface use a wire brush or sandpaper to remove it. But once your driveway is clear and the day is warm inspect the bottom of your garage door for rust or corrosion and.