Clean the garage door with ez prep cleaner and water.
How to clean white metal garage doors.
Rinse until water sheets off of the door and no bubbles remain.
Lots of other suggested cleaners included bleach.
One cup of simple green or other non toxic biodegradable cleaner less than 0 5 phosphate into two gallons of warm water or household liquid dishwashing detergent such as dawn.
When washing the garage door use one cup of nontoxic biodegradable cleaner mixed with two gallons of warm water.
I made an executive decision to use cleaning supplies that i had at home instead of driving to a store to purchase something new.
Just spray the white vinegar onto the door allow it to sit for five minutes and then go over it with a wet sponge.
Using a clean bucket mix a small amount of dish soap or car wash soap preferred with water with a soft sponge or cloth apply the soap to the door in a circular motion rinse off with garden hose for steel or fiberglass doors apply a light coat of spray car wax.
Rinse well and let dry.
Wash the garage door with warm water and a mild detergent.
Remove all chalk and oxidation wiping with a rag if necessary.
Remember to clean in a uniform manner no swirls diagonal lines etc.
White tire cleaner was suggested for cleaning the white rubber strips around the doors.
If the door is very dirty or mildew stained you can also use a very soft bristled brush.
Working from the bottom panel up wash the steel garage door with a cloth or sponge soaked in the cleaning solution.
Spray the entire door thoroughly.
Begin at the top of the door and allow the spray to run down the door.
White vinegar is a perfect cleaner for your metal doors and it is safe to use.
Clean your door from top to bottom making sure to clean behind the stop molding on the sides and top of the door.
Scrub it with a rag or nylon scrub brush.
Rinse the door with water from your garden hose.