AWWW, they aren't as noisy as the HF '2hp' dust collector Mine's outside too, and I can barely hear it thru my metal door.
Mount it to a piece of that quality Chinese plywood that you just received. and screw that to a joist in your ceiling and you'll be good to go!
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