I have Tormach 770 in my basement with a low ceiling. I was noticing how much of the sound of running the machine at 10000rpm was reflected from the ceiling. I installed roxul “safe and sound” in between ceiling joists above the machine in a 4x4’ area and it reduced the sound of the spindle motor both in my workspace and upstairs by about 5db. Minor change but the reduction seems to help over time as I’m working around the machine.


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