There are a few different ways to mend an aluminum greenhouse. One way is to use a special aluminum adhesive that can be purchased from a hardware store or online. Another way is to use a soldering iron to solder the broken pieces back together. And finally, you could also use rivets or bolts to keep the pieces together. Whichever method you choose, it's important that the greenhouse is completely dry before beginning the repairs.

There are a few ways to mend an aluminum greenhouse. If the frame is still in good condition, you can use a sealant or caulking to fix any cracks or leaks. If the frame is damaged, you can use a metal adhesive to repair it. You can also use spray paint or a sealant to protect the aluminum from corrosion.