dbcurtis

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  1. I'm trying to define a staggered-stud interior sound barrier wall. Search isn't turning up anything. What I am looking for is a 2x6 base plate, with 2x4 studs 12" O.C., staggered/interleaved so that each side of the wall ends up with 24" O.C. studs on which to hang drywall. For floor-planning purposes, I've just be using 6" interior wall. Now I'd like to use the correct wall specification so that the B.O.M. comes out close to correct. I tried defining an interior wall with these layers: -drywall -2x4 stud 24 O.C. -air gap of negative width -2x4 stud 24 O.C. -drywall But.... HDP doesn't like a negative thickness air gap. I suppose I could get the thickness correct by specifying 2x4 studs 12" OC, plus an air gap. The BOM would be close to correct, although the base and top plates would be wrong in the BOM. But... I can't figure out how to get 2x4 12" OC either.