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    Any recommendations for soundproofing a garage workshop?

    We're moving into a house that has a two car garage, and we're thinking of adding a third bay to the garage that will serve as my workshop. I'd rather not have the new neighbors yell murder when I'm working in the shop, so I'd like to soundproof it. Since we're going to be constructing the new bay from scratch, we can put in sound dampening/isolation. Does anyone have any suggestions for soundproofing a garage workshop?

    Thanks!

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    Re: Any recommendations for soundproofing a garage workshop?

    Open cell spray foam will be your best bet, it will not only help keep the shop space more comfortable by helping to cut down on heat and air loss, but also works to help eliminate noise pollution.
    Measure twice... cut once... SCREAM LOUDLY... get another board

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    Re: Any recommendations for soundproofing a garage workshop?

    If you are going to be installing a regular garage door, you will want to insulate that as well.
    I like making things. I have a wood shop at home. I am a terrible carpenter but I love doing it. Raymond - Charlotte, NC

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    Re: Any recommendations for soundproofing a garage workshop?

    Hand tools.

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    Re: Any recommendations for soundproofing a garage workshop?

    6" exterior walls using 2 x 4 studs staggered. This prevents transmission through the studs. Use 3-1/2" insulation on both faces with vapor barrier only on the inside for future A/C.
    WHAT BOX?

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    Re: Any recommendations for soundproofing a garage workshop?

    If possible, instead of a garage door, use a large door thru the existing garage and otherwise fully enclose the space. Even an insulated garage door is the biggest culprit in noise and energy loss.

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    Re: Any recommendations for soundproofing a garage workshop?

    Double the sheet rock wall board. Cheap and really works. The greater mass reduces the transmittance of sound vibrations.

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    Re: Any recommendations for soundproofing a garage workshop?

    Thanks all! I was doing some research online and this guy seems to have a 'cheaper' method: https://www.instructables.com/id/Sou...My-Cleat-Meth/

    I'm thinking of going with the staggered stud approach, I'll relay to my contractor.

    Thanks for all the answers!

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    Re: Any recommendations for soundproofing a garage workshop?

    I'd rather not have the new neighbors yell murder when I'm working in the shop, so I'd like to soundproof it.
    That's considerate of you but how close are the nearest neighbors (the family may complain more than the neighbors about the noise)? Will you be doing shop stuff 8am-9pm in the summer months with all of the doors open? It's less problematic in the winter months when everyone is indoors.

    I think that regular insulation and sheet rock is fine.

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    Re: Any recommendations for soundproofing a garage workshop?

    Quote Originally Posted by luckyGoose View Post
    Thanks all! I was doing some research online and this guy seems to have a 'cheaper' method: https://www.instructables.com/id/Sou...My-Cleat-Meth/

    I'm thinking of going with the staggered stud approach, I'll relay to my contractor.

    Thanks for all the answers!
    I used basically the same method to finish out my garage but I also put a moisture barrier over the insulation. You may want to consider the moisture barrier especially if you are not putting up drywall.
    I like making things. I have a wood shop at home. I am a terrible carpenter but I love doing it. Raymond - Charlotte, NC

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    Re: Any recommendations for soundproofing a garage workshop?

    Quote Originally Posted by Jeff View Post
    That's considerate of you but how close are the nearest neighbors (the family may complain more than the neighbors about the noise)? Will you be doing shop stuff 8am-9pm in the summer months with all of the doors open? It's less problematic in the winter months when everyone is indoors.

    I think that regular insulation and sheet rock is fine.
    I live on .25 acre lots in my neighborhood, and I tested my CNC machine going full blast. With the door open, at the edge of my property, it was less noisy than my neighbor's leaf blower when measured with a decibel meter. When the door is closed, you can barely hear it, car driving pass was louder. I wouldn't invest much money in making the room sound proof, unless you plan to work late into the night and have very close neighbors.

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    Re: Any recommendations for soundproofing a garage workshop?

    I used to live in a HOA development in Cary and had a garage shop. I never needed to sound proof as I always welcomed neighbors to come visit and watch. Even did a few minor repairs and offered to cut wood as they needed.
    Maker of fine saw dust
    Scott

    "Ability is what you are capable of doing. Motivation determines what you do. Attitude determines how well you do it."
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    Re: Any recommendations for soundproofing a garage workshop?

    I'm an early bird, so I work the main job 6-2 and then am free to work in my hobby shop after. I won't be working late nights, but I do have a clearvue cyclone that is quite loud, and the planer and miter saw are quite loud too, ergo my need for sound dampening/proofing. If thicker drywall and open cell foam insulation do the trick, I might just stick with that. If not, the staggered studs seem to be another option.

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    Re: Any recommendations for soundproofing a garage workshop?

    Quote Originally Posted by ScottM View Post
    I used to live in a HOA development in Cary and had a garage shop. I never needed to sound proof as I always welcomed neighbors to come visit and watch. Even did a few minor repairs and offered to cut wood as they needed.
    +1 for a 1/3 ac. in Raleigh with an HOA. Had a 1 1/2hp Delta dust collector, table saw, and DeWalt plane. The garage overhead door was insulated, but outside wall construction was normal. With everything closed up (had HVAC), outside noise was negligible. With the doors open, however, the DeWalt could draw a crowd.

    Good luck,
    Ray

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