As a final step you should clean and organize the areas around the garage door.
How to remove oxidation from a garage door.
After chalking occurs rain may remove the powder leaving paint on the outer surface thinner than it was before.
I hesitate to use anything that would agressively remove the oxidation like an aluminum siding wash because i know that you can thin the colored coating or go thru it.
Does anyone not of a mixture that can be sprayed on to remove the oxidation without harming the factory paint.
Both light and oxygen make paint less bright and viscous.
It was a sunny day but it was not beating on the door at the time.
For flat doors use a paint roller but for doors with heavy ridges stick with a paintbrush.
Remove any stacks or objects that could fall over and obstruct the path of the garage door or damage the track.
Other factors and preventive measures.
The weather stripping around your garage door helps to keep the air inside your garage comfortable and all of the bugs and the elements outside where they belong.
Spray your door with water and then squirt it with ketchup.
The garage doors are structually in great shape but there is a thin film of chaulky oxidation on the outside doors.
Dirt and oxidation can build up on your garage door over the course of time and this annual washing will keep your garage door looking its best and increase the life of the garage door finish.
Its just a light colored oxidation and the door being embossed with woodgrain its difficult to get it all off.
Paint the garage door with a primer that contains zinc chromate to help halt the oxidation.
Garage door finishes need to be cleaned regularly most manufacturers recommend a yearly washing.
Ketchup helps oxidizes rust and tarnish eating through them so that the underneath metal looks new again.
That will help to insulate your garage as well as to keep rodents and insects out.
It s also a good time to do a quick maintenance check and tune up.
Use a general purpose cleaner and go over the weather stripping around the garage door s edges as well as the rubber seal on the bottom of the door.