"It was creepy getting back up there...real creepy. I was a bundle of nerves, but took my time and measured every step. Unfortunately, I will have to go back up at least one more time to install the boot for the plumbing vent stack."
heed previous post.........Re: working on the roof. Go get a safety belt, sling a rope over the roof ridge and tie it off down below on the other side. No questions, just do it!