Cheers guys, I've been away for a few days but there's lots of food for thought here, my shed is a 'log cabin' with 45mm thick walls but only 19mm floor and roof boards, the whole structure sits on concrete strip foundations so I think some of the sound/resonance may come through the floor but the doors are also very thin.
The machine itself is steel and aluminium. Link to build here
https://r.tapatalk.com/shareLink/top...ink_source=app

I plan on moving within the next year or two so don't want to alter the shed too much

I'm thinking that the best solution will be rubber isolating feet and an enclosure for the machine, I was also wondering whether to apply sound deadening material to the underside of the aluminium bed too?

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