My detached, unfinished garage is pretty sucky because the walls are only 6' high. Based on quick and dirty math, it'd make more sense to tear it down and start over than to try and finish it, but I don't have that much $$. I can't install a ceiling due to the garage doors passing through what would be the ceiling, and now I'm just trying to make the space usable without spending money since it's mostly a lost cause until I can save enough to just demo it and rebuild from scratch. I live in a cold/hot area (Indiana) and would like to insulate it so I can work in it and let the dogs stay in it when we're in those more extreme temperature swings, but I just don't know if it's worth bothering.
If I just insulated the roof would that be worth anything, or would the fact that the walls and doors aren't insulated make it pointless?