"Is that an aluminum strip that runs on the edge of the EPDM and the fiberglass?"
Yes it is.
Screws are under DICOR and I didn't remove it yet because I wanted to know before sealing the strip if it was suposed to screwed tight on the ceiling joist.
I tought the same thing as you but wanted to make sure, so I'll put more or oversized aluminium srews to fix it back down then seal with DICOR.
I'll remove the sealant on one srew to see if it's stripped or broken head and if there are broken screws then I'll put one beside it.
Any clue on the lenght of the screws ???
Thank you very much.