In most cases a single coat of paint is all it takes but keep in mind it could take more than one coat to provide good coverage if you re painting the garage doors a color that s lighter than the original color.
Painting rusted metal garage door.
Prepping the garage door ensures that paint will go on easily and hold up well.
Start with a wire brush photo 1.
Paint will not adhere.
First you ll need to research the right type of paint to use for the specific garage door.
However badly rusted metal areas need more prep work and possibly a special primer.
You don t need to get down to bare shiny metal just clean off the flakes and powdery surface rust that prevent paint from adhering.
The rust can begin to bleed through the original color making it appear to be a different shade.
Painting a garage door involves a lot of time and money.
Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer.
Painting vs replacing your garage door.
Steel doors while versatile can begin to rust over time.
Acrylic latex exterior house paint is the best choice but be sure to choose a high quality paint.
You can paint the door to give it a quick face lift but you must do some preparation work first.
Once done you can paint over rust.
Follow these steps to successfully paint your metal garage door yourself.
How to remove rust from concrete.