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Oct 26, 2020 - 3:00:13 PM
103 posts since 9/19/2005

Hi All,

I'm trying to increase my practice time during our family's quiet time or later at night. I have an unfinished basement that I could use as an area to make a small, sound-proof practice room. I was trying to keep it as simple and cost-effective as possible. I was thinking of having the following dimensions: six or eight feet tall, six feet wide, and eight feet long. I am thinking of just using 2" x 4" boards cut to the right length, pink insulation, and green glue to dampen the sound at the seams. It would have door at one end. It would not have a floor and would sit directly on the existing concrete floor. I was thinking of using 5/8" sheet rock for the walls and ceiling. I have attached this link that provided some ideas on how to build a room like this:

I am not a builder and don't know if this is a good, bad, or other idea and would appreciate any feedback. My thought so far include whether it would be too claustrophobic, too hot or uncomfortable or still to noisy.

Thanks for your help!


Oct 26, 2020 - 3:03:36 PM
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Players Union Member



43 posts since 5/30/2016

Check out rock wool instead of pink insulation. More expensive, but, better sound absorption qualities.

Just one thing I can think of.

You can also hang rugs on the walls....

Oct 26, 2020 - 3:30:19 PM



6932 posts since 6/5/2011

Just thinking out loud... no assurances given or implied.  I've seen stages partially/fully lined with paper egg cartons/flats.  I'd be making it as big and tall as feasible.... never know when it might have to accommodate another instrument/amp/person.... or a recliner and/or beer fridge.  Good luck.

Edited by - Owen on 10/26/2020 15:31:30

Oct 26, 2020 - 3:31:46 PM



440 posts since 8/9/2019

I've seen ghetto recording rooms muted with egg cartons and old mattresses.
It works, jut gotta get used to the smell :P

Oct 26, 2020 - 4:29:11 PM
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4904 posts since 5/14/2007

The egg carton technique is more for reducing echo than for soundproofing.

There are a number of clever approaches people have taken to create practice and recording environments at home. There are also suppliers of "ready-made" materials. Widen your search.

You could start by using the search function here on the Hangout. Try "soundproofing."

Oct 26, 2020 - 5:48:52 PM

Bill H


1421 posts since 11/7/2010

One thing I learned during an office remodel I did some years ago was that mass deadens sound. Studs will conduct sound so the decoupling idea is good. Two layers of 5/8 drywall are essential and don't forget the door. A solid core door with weather stripping installed at sides and bottom will help. In condos where we have done work they build the walls abutting the hallways with staggered double studs and horizontal metal nail strips that the 5/8 drywall screws to. Don't forget to install a fresh air vent.

Oct 26, 2020 - 6:00:04 PM

82 posts since 12/29/2009

2x4's with 2 layers of 5/8" gyp board each side. Offset the seams between layers, and you can use green-glue between the layers. Batt insulation in the studs - mineral wool is somewhat better than un-faced fiberglass, but for most projects the added performance isn't worth the cost. Seal the bottom plate to the subfloor w/ sealant. Solid core wood door with a threshold and seals all the way around. Set the threshold in sealant as well.

2 layers on the ceiling as well, and use a surface-mounted light fixture.

Sound attenuates with mass - the heavier the walls, the less sound will go through them. Also, an acoustic engineer I've worked with once told me to think of sound as water - if water can leak through then sound will as well, so seal everything well.

The space will be very reverberant - so you may find yourself need to add some absorptive surfaces - carpet on the floor and panels on the walls to reduce the echo effect. As you start to use it, you'll get a sense of what further steps you need to take.

This is a vendor I've used for acoustic products: Acoustical Surfaces Inc. (

Also, think about making it big enough to have someone pick with you.

Good luck with your project.

Oct 26, 2020 - 6:30:35 PM



21943 posts since 7/6/2005

Check out Structural Insulated Panels(SIPS) They are sandwiches of foam insulation between various materials such as plywood, OSB, sheetrock, Cement siding, etc. They are quick and easy to install, if you can fit a 4 x 8 section into your basement. They are a little pricey, but ease of installation and rapid completion offset the cost/

Edited by - beegee on 10/26/2020 18:30:55

Oct 26, 2020 - 7:27:17 PM
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2001 posts since 10/9/2004
Don’t know what this stuff costs but it’s a pretty effective demo. I’m putting it into my next house around the master bedroom for sure and around my music room.

Oct 27, 2020 - 5:17:44 AM

792 posts since 2/19/2012

Don't you need to consider ventilation in such a small space?

Oct 27, 2020 - 8:52:37 AM

Banjo Lefty


2042 posts since 6/19/2014

Also, don't forget to insulate the ceiling. More important than the walls. Your worry isn't that your playing will be heard in the rest of the basement, but that it will be heard upstairs.

Oct 27, 2020 - 9:19:39 AM

2685 posts since 4/19/2008

I've built 3 of these rooms and can recommend this:

1. Don't let your 2x4s touch any other existing walls in order to stop transmission ( build a box )
2. Use 4x8 sound deadening boards with preferably a hardboard over it to reflect sound back at you ( lowers your overall volume )
3. Don't hookup to main ventilation system ( the sound will bleed to the rest of the structure)
4. Use a solid-core door with #2 suggestion screwed to it.
5. Use LEDs for light ( keeps heat down )

Oct 27, 2020 - 9:35:16 AM

56047 posts since 12/14/2005

If you use a few pieces of  insulated flexible duct for air inlet & outlet, that should interfere with sound waves  leaking out at full force.

Especially with any bend.

I do like the idea of it being big enough for at least one other person to sit in and pick along.

And, is the basement high enough that you can lay some fluffy insulation between the top of the box and the basement ceiling?

A layer or 2 of carpet padding?

Oct 27, 2020 - 10:23:06 AM

103 posts since 9/19/2005

A big thank you to everyone for all these great suggestions!

I'm going to check the pricing on some of the soundproofing products that were recommended. I hadn't thought about the lighting or flooring and appreciate those remarks and all the other comments from everyone that will help me build a quieter room. My basement has a 9' unfinished ceiling so I think it would accommodate about 10" f fluffy insulation on the top. I plan to buy an inexpensive throw rug for the floor.

Thanks again and I will keep you posted once I get it under construction.

Best regards,


Oct 27, 2020 - 10:42:50 AM

137 posts since 3/25/2016

Recall that sound waves will refract ("bend") around an obstacle and though an opening ... 95% of the sound will refract and travel through a door opened only ONE inch, so sealing your room is crucial to soundproofing. Many suggestions above as to material and technique are great, but I suggest you consider the claustrophobia of a too-small room; make it as large as possible. Good luck!

Oct 27, 2020 - 12:01:32 PM
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6932 posts since 6/5/2011

...dunno how many guys here check in on the "joke of the day" thread, but Janolav posted this one over there.... thought it might fit in (?) here:

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