I work my laser business out of my basement. I use about 30% for the business. Basement is roughly 1600 square feet. Almost the same size as my upstairs. I'm on a slight hill and I have walkout door on the lower side with one set of windows on the far end, so three sides are tapered up from 3 feet min to full underground. I only have painted walls, the walls were cast in place concrete not block. I REALLY wish I'd had the $ at the time we bought to add furring and insulation. Even in NW Arkansas, it gets in the 50s in the basement as the heating system wasn't plumbed or sized correctly for heating this whole thing. I've added a mini split which help, but insulation would be great on the walls. Just hard with all the equipment and other stuff in the basement. I vote to insulate and put up walls for sure. Even sheetrock over furring and insulation would work.....
Woodworking, Old Tools and Shooting
Ray Fine RF-1390 Laser Ray Fine 20watt Fiber Laser
SFX 50 Watt Fiber Laser
PM2000, Delta BS, Delta sander, Powermatic 50 jointer,
Powermatic 100-12 planer, Rockwell 15-126 radial drill press
Rockwell 46-450 lathe, and 2 Walker Turner RA1100 radial saws
Jet JWS18, bandsaw Carbide Create CNC, RIA 22TCM 1911s and others