This is my 1st rehab experience, oh the 100s of things I've learned, like - what was I thinking. Can anyone give me some tips on hanging drywall in rooms that aren't square. This is an old house, it had plaster and slats, has been added onto twice, one add on being the entire 2nd floor. We tore it ALL out, fixed joists, floors, plumbing, electric, ducts, insulation, windows, now we are to drywall. NOTHING has been normal or easy here. I know people who know this trade well will have little bits of info and tips that could be of great help. We got 6 sheets up today, got approx. 400 to go, we are frustrated and discouraged.