I have a manufactured home from the 70's with metal siding, wood studded walls and fiberglass insulation on the inside. I had a clogged gutter, which caused water to run behind the siding, around the window, into the house and made the drywall & insulation soggy. Then I accidentally poked a hole in the drywall. There is a noticeable draft coming from the hole in the drywall and the wall has always been seemed poorly insulated.
I cleared the gutter and the wall dried out, but now I want to fix the damage.
I was planning on just taking out the 8 feet or so of drywall and replacing it and the insulation, but I want to do it the "best" way possible. So what would that be? Using pre-faced insulation? Unfaced insulation with vapor barrier and sheathing tape? Does the vapor barrier go on the warm side or the cold side? Can you recommend any particular products?
Bonus question: Can you recommend any good DIY books on the subject?