I need to use roof jacks now for my roof. I was wondering the proper way to install them. The jacks have 3 teardrop holes and 3 angled slots. What are either ones used for? Can i use roofing nails or do i need 16's? I'm installing architectural shingles if that makes a difference. Do i nail on the line where the shingle gets nailed down with the bottom hole/slot and the other 2 holes/slots nail above? Do i need to use 3 nails?
I need to screw in an eyebolt to the roof and was wondering the best way to do this and seal around it, and the best spot on the shingle to put it.