The Craftmans Shop > New from Old
Trying to Quieten the 110KVA Generator
Muzzerboy:
I'd be thinking about slapping some of that horrible rock wool insulation around the generator room itself. I hate handling it, as it seems to make me itchy before I've even touched it but the sound deadening is pretty good bang for buck.
awemawson:
It’s not too bad To handle in ‘slab’ form intended for cavity walls, but with 25 square meters to cover it gets expensive . And that’s without doing the ceiling - another 21 sq m
Fair old breeze through the generator room when it’s running, and the ‘off the roll’ stuff would be blowing all over the place, and need a mesh to retain it.
Muzzerboy:
Yes, that's a big old room. On the other hand, you probably don't need to completely cover every surface to absorb a lot of it.
I guess you can get an idea how good/bad it is from your feedback reviews!
tom osselton:
I put rockwool in the garage walls covered with chipboard and you can barely hear the compressor running.
awemawson:
Remember that the partition panels are themselves a 70 mm thick sandwich of foam core with 0.5 mm steel facings. Were the room hermetically sealed it would probably be acceptability quiet outside. But of course it needs airflow, lots of it !
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