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By bp122
Having recently moved to a nice village and to a house with a garage for the first time, I know what you mean. However, I haven't had any complaints from the neighbour who shares a wall with my garage, she is a 88 year old woman who lives with her cat. I keep asking her if I cause too much noise but she says she can't hear a thing, but instead apologises for putting the tele too loud (which we can't hear). It also helps that I found her missing cat and returned to her last week and she was very thankful.

Right, coming to your issues, I may suggest a couple of things or more based on my limited experience as a woodworker but my reasonable experience as a people pleaser (it is a serious issue with me :oops: )

1. Maybe follow some of the large scale solutions mentioned by others here regarding the ceiling and the windows, they know more about it than I do.

2. Also, with power tools and machines. vibration is also an issue which, depending on the type of floor you have (my garage is hard concrete) transmits to nearby rooms / buildings etc. Maybe use thick / dense rubber pads under the legs of tables on which your machines rest.

3. Some people do this as a noise dampening, but I think it is to only minimize echoes - Not sure as I'm not an NVH expert - use egg cartons or wavy foam bits on the sharing wall (to mimic an anecohic chamber). However, you can use thin rubber sheets (clear / opaque - depending on your light requirements), spaced out by half an inch or more from the wall. The bigger this sheet is, the more the amplitude of the sound waves it can diminish (within reason and maintaining reasonable tension in the middle)

4. Since you have a thicknesser, just try and make a set of coasters or a couple of chopping boards and gift it to your neighbour - That might just about buy their acceptance to your hobby!

5. I have NEVER used this, but heard a lot about it on people from youtube - some specialist blades are designed to be less noisy while cutting. Not sure about the validity of their claims, but this could be a compromise compared to buying a different table saw!

If all else fails, follow everyone else's advise and just not worry about him!

Hope this helps.
By mbartlett99
I'm in the same situation as the OP; village, garage, machinery. Although absolutely no expert at all on sound/vibration I do work in an industrial environment where noise is a major concern and I know what steps we take on superyachts.

The double skin plaastetrboard ceiling is a good, cheap and effective step - all that noise will be travelling straight through that thin roof. You can buy sound attenuating plaster board but its not cheap.

Presuming you work with the door closed cladding that with sound insulating foam panels - usually have a 'lead'layer in them - but again its not a cheap solution.

Next any air gaps around doors etc - the noise you're making is air borne not structure borne (if your machinery is vibrating that much its knackered). You mentioned concern that with a ceiling there would be no ventilation in the garage - I've never seen a garage door that came close to an effective seal, mine certainly doesn't.

Cladding walls would help but you're talking serious money now; we use compressed rockwool covered with a steel perforated sheet in machinery spaces (its really for fire insulation legally) which is very effective but it'll cost a bomb.

Air gaps and flat hard surfaces are the enemy essentially. My other workshop has brilliant sealing throughout, is wooden with 100mm celotex roof/floor, mostly glass on one wall - can hardly hear a thing outside because its all sealed up.

Yes tooling can make a bit of difference; spiral planer heads, induction motors and maybe tuned blades but its relatively minor in comparison.