Clean the bottom panel of the garage door with warm water and a grease fighting dish washing liquid.
How to fix rust on bottom of garage door.
Brush the door with soap and water starting at the bottom where the rust is concentrated.
First clean the entire door with the water and dishwashing liquid.
In this video i focus on door bottom rust repair and will be showing you how to remove and replace a lower door skin on a car or truck.
Cleaning steel and aluminum doors.
Soak the cloth in white vinegar and wipe all rusted areas.
Dip an old cloth in white vinegar do not use cider or spiced vinegar and wipe the rusted areas with a steel wool pad.
Scrub the rust off with a steel wool pad.
Rinse thoroughly and let dry.
Close the garage door.
The vinegar reacts with the rust and dissolves it.
An alternate product might be corroseal which is a rust converter and latex primer in one which can then be topcoated with a latex paint.
The rust oleum product shown recommends an oil based top coat which should not be used when repainting a metal garage door.
Repeat this until the.