HAHA! GOOD LUCK! I have 4 layers of peel and seal on one part of my roof, because my dad said I should try it with the roll we had sitting before ordering second skin... Fuck yes it works... Til it got into the mid 90s... It stays up there, but then it goes back to flexing.... So either order a roller from second skin, or go to home depot and get a j roller because I'd put it up 1 layer at a time, wait for it to get hot, then roll that bitch down good so you know it's on there... and once it gets hot and you roll it and it cools agin it works ALOT better....
I'm probably hittin up the "great stuff" expanding foam today....