I'm helping a friend install a swamp cooler in AZ. We're thinking of placing it on a mini-deck built on 2 4x4s coming through the side attic wall at the gable end. We'll secure the 4x4s to cross members nailed/screwed to the truss framing in the attic. Does this sound like a good approach...

I live in a cape cod and want to insulate the side attic (behind the bedroom kneewalls) to save a little money on energy. This side attic is about 30' by 6'. Right now there is about 4" of cellulose insulation between the joists in the floor of this side attic (the joists rise about 10"). There...