The drywall on my garage ceiling is sagging badly. Is this because it's too thin (I think it's 1/2" and I guess it's supposed to be 5/8") or is it because of humidity or something else? If I ...
If I were doing it, I would usually prime and paint before installing the cabinets. My painter for this project says he'd prefer that I install everything before he paints. Do I need to use a sealing ...