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Best DIY Sound Dampening Materials?

Do you have any recommendations on sound dampening materials for a DIY project? I have a wonderful system, but a not so wonderfully small space (12 feet x 12 feet), and I need to dampen the acoustics off the walls and floor.

For the walls, I'm considering taking 4 inch foam (do you have any recommended purchasing sources?), cutting 4x3 foot squares, framing it, canvasing it and hanging a series of these pictures up on the walls (painting the canvas a slight hue of the wall paint). To keep peace with the girlfriend, I need to dampen my room in an aesthetically pleasing way - yes, she's worth it. So, will this work? Are there better alternatives?

For the floor, I'd like to create a removable 16x16 inch wall to trap and avoid the Allison affect. Am I crazy?

Help ... please!

Thanks
dds_hifi

Showing 1 response by jim_gerace

jim_gerace
11 posts
 
I have been told by two manufactures that putting canvas in front of acoustic foam is not a good idea. Apparently the canvas prevents the sound waves from being absorped by the foam. Heard this from Sonex and Immedia-both told me I wasted my money on the foam I put behind two oil paintings.
I have a 12x14 room with 4x4x2inch Sonex on both side walls, front and back walls covered w/oil paintings. Don't have much of a problem w/reflected waves. Use a heavy rug for the floor.
Good luck!
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