H wrote:

32 sheets, taping and mud, all 4x8, no ceilings (just walls), no insulation,
1/2", down a flight of stairs, open studs (replacing paneling)

What ever you do, ALWAYS, ALWAYS put in insulation when you put up
drywall, even if it's interior wall (for noise reduction).

You will not believe how much trouble I need to go through to insulate
my exterior walls. Just do it. Even if it's the garage wall.

Raymond