Originally Posted by 4fit?
Room is looking killer!
Happen to have any more details/links/pics you can provide on the DIY bass trap? I'm planning to build a couple before too long.
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The bass traps I made in the pic is 8ft tall. (I should have made a video haha). You can make them any height you want. I also made 5ft ones and stacked them since my walls in the front under the soffits are almost 10 ft high.
I used MDF boards for the base and top(you could use plywood also)
The dimensions you want are 17x17x24 triangle. I used 1x4's (4 of them and try to find ones that are as straight as you can get, it will make the build way easier) and then put in 2 middle pieces as you can see in the pic on the other page, so the Rockwool safe and sound doesn't crush too much. Just measure 17" each way, then draw the triangle. The long angle will be exactly 24.02" haha.
I first cut the base/top. Then you take 2 1x4's and finish nail them together on a 90 deg angle the long way
Then nail(you could screw them in also, but it would be harder being only 3/4" thick) then to the base and top.
Once you have that, then nail in the side 1x4's. The little triangle you have left on the base next to the 1x4's, I just cut off with a saw.
The reason I made the traps 17x17x24 is that the Rockwood safe and sound batts are 46.5" long. Each batt will make exactly 6 triangles and zero waste
Best way to cut the insulation is with a electric knife turkey cutter(don't tell my wife haha). You want the insulation in firm, but to NOT pack it in so tight as to squeeze the insulation down.
You can use any wrap you want. GOM, Stereo speaker cover fabric, even black fabric from Walmart. I also stapled the back with window screen, so no insulation can get out the back.
Once you get the hand of it, it goes pretty fast. I built all the bass traps and side panels in 2 days