Workshop walls, construction and soundproofing

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Forum topic by robdew posted 11-12-2008 10:53 PM 4295 views 0 times favorited 5 replies Add to Favorites Watch
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86 posts in 3951 days

11-12-2008 10:53 PM

Workshop walls, construction and soundproofing

I am finally framing in my basement shop. My only interior wall is stagger-studded on 24” centers for sound isolation. The outside of this wall is 5/8 drywall, and the inside (shop-side) is yet TBD. Some insulation will be in the wall itself.

I really hate the practice of locating studs to hang things (especially on 24” centers), but surfacing the whole wall with plywood appears to be a bad practice for sound proofing reasons. I would prefer not to do drywall over plywood for labor and cost reasons.

I had also contemplated adding additional studs on the shop side of this wall to make stud location easier.


5 replies so far

View Kindlingmaker's profile


2658 posts in 3763 days

#1 posted 11-13-2008 12:35 AM

For future stud locations I paint a dot on the floor of the shop then I can put a square to that dot and go up the wall. It’s hard to have everything when it come to walls. I have ply for the strength because I wear hearing protection ALWAYS as well as eye protection so as long as the doors are closed the noise is inside the shop and not spread. There are many good sound proofing insulations that work well with drywall but they also help your neighbors if you use ply. Paint the walls as brightest of whites as you can get and the lighting will be improved sooooo much.

-- Never board, always knotty, lots of growth rings

View 8iowa's profile


1591 posts in 3998 days

#2 posted 11-13-2008 03:55 AM

I’m assuming that your basement interior wall has standard 2×4 studs. If you put 3” thick foam insulation between the 24” centers and panel the shop side with 5/8” OSB you should obtain very good overall sound reduction. Low frequency sounds are the hardest to attenuate, and require the most substantial barriers.

While the OSB is harder to paint than plywood, it’s heavy weight will help to create the sound barrier that you need, and it will be substantial enough to support cabinets and hangars regardless of the location of the studs. I used OSB on the walls and ceiling of my “Workshop in the Woods”.

-- "Heaven is North of the Bridge"

View digger's profile


14 posts in 4523 days

#3 posted 12-04-2008 02:39 PM

Did you put plastic over the foam insulation ?
Get a little confused with all the vapor barrier issues.


View robdew's profile


86 posts in 3951 days

#4 posted 12-04-2008 05:21 PM

This is an interior wall and hence has no vapor barrier.

View Bob #2's profile

Bob #2

3810 posts in 4258 days

#5 posted 12-04-2008 07:00 PM

I used this material for my shop and you can’t hear the tablesaw fromout side the building at all.
Over this I used “5/8 OSB and hung whatever I wanted where ever.


-- A mind, like a home, is furnished by its owner

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