Where do you start installing drywall -- the wall or the ceiling? How do you hold up the ceiling panels, or shift wall panels up? What fasteners should be used and what tools are best for working with wood studs? How do you find the studs after you cover them? How do you cut out electrical boxes and get the hole in the right place? Fiberglas insulation requires some special techniques and you must plan drywall placement according to corner trim that will be used.