Cut a piece of replacement aluminum with tin snips to 3 inches longer on all sides than the hole.
Repairing aluminum roof on patio.
Add gutters and downspouts to all of your house fascia boards above the solid patio cover keeping the rainwater away from your aluminum patio cover.
When patching holes on an aluminum roof you may have to climb onto the roof.
Locate the hole in the aluminum roof and brush the area around the hole with the wire brush to take away dirt debris and other things.
You should also be careful of your footing when stepping onto the roof.
How to solve these issues.
Because again other roofs are dumping water onto the patio cover overwhelming the system all at once.
Lay the replacement piece over the hole then trace the edges with a grease pencil.
For a gap of 1 inch or less caulking or sealant is the best method of repair.
Make sure that you have safety gloves and footwear.