Also know that aluminum siding can and should be painted.
How to repair aluminum siding.
With a utility knife cut the top and side edges.
Bend the square down and then cut across the bottom.
This will cause the loose panel to spring out.
Cut the replacement patch.
Wipe off the sanding dust with a rag wipe the siding again with a damp sponge to pick up finer particles and dry the siding with a clean rag.
Work fast because this stuff sets up quick.
Don your latex gloves again then pull off a small chunk of aluminum repair epoxy from the tube.
Your first piece will lock into the starter strip at its bottom edge the top of the first piece has a nailing band that should be held down with aluminum roofing siding nails.
Install your starter strip drip edge at the bottom of the wall and allow it to extend past the area where the foundation meets the sill plate by at least an inch.
Apply an alcohol base primer or an oil base primer that has been thinned with 2 cups of thinner per gallon of primer.
Pull the siding unlock tool down and it should bring the bottom of the siding panel come out.
Pressure wash and allow to dry.
The tools required for aluminum siding repair will depend mainly on the type of project you are doing.
Scrape any flaking paint and sand smooth.
The loose siding panels need to be removed by using the siding unlock tool.
Use caution when working on ladders.
Wear gloves to protect yourself from sharp edges on the aluminum.
Mix the two components together thoroughly then push the putty into the hole with your fingertip.
Draw a square around the damaged siding.
Repairing loose siding panels for example is simply a matter of using a siding unlock tool but more complex projects such as replacing damaged or missing panels will involve many more tools including a circular saw.