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soundproofing new basement shop

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Forum topic by robdew posted 2279 days ago 797 views 0 times favorited 1 reply Add to Favorites Watch
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robdew

84 posts in 2316 days


2279 days ago

Can’t seem to find the right place to post this, so I guess this is a “project”.

I am designing a new basement shop, and soundproofing is extremely important. I’ve read up on STC, special types of drywall, double-stud walls, resilient channel and all the various other soundproofing methods and materials.

I am shooting for an STC of at least 50 on my ceiling and well above that for my walls. “By the books” I should have no problem achieving that.

However, I can’t find any good real-world calculations or stories about how STC translates to specific tools.

Take my surface planer and table saw, both 100-130 dB. How loud will they be through a ceiling with STC 50?

If you don’t know specifics, can I get some anecdotes about what methods you used for soundproofing and how loud your tools are outside the shop?


1 reply so far

View Al Killian's profile

Al Killian

273 posts in 2355 days


#1 posted 2278 days ago

From first hand knowledge, Planers(lunch box types) will scream thru any wall or ceiling. My new shop is 1’ thick block wall with 2×4 studing with 2” foam board between the strapping and 1/2” drywall over that. I think a bomb could go off in there and no one would hear it. So, adding some sound board and insulation should make a big difference.

-- Owner of custom millwork shop

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