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  1. jodyconcrete

    concrete sound problem

    Ok, thanks for your help, Ron!
  2. jodyconcrete

    concrete and sound

    Hi Guys, Some of what you're saying is beyond my level of understanding. The entire site was built from scratch. Footings were poured, and 10" CMU were build around the perimeter of the structure. Then, 8" walls were erected. After that, the slab was poured inside- the slab is definitely...
  3. jodyconcrete

    concrete sound problem

    Thanks Ron, I'm in Toronto- I've phoned a couple of local engineering companies, but it will cost about $2K to do a core sample, which I'm not certain that I'm prepared to spend yet. Sadly, I wasn't on-site during the saw cut. My recollection is that the cement was mixed on-site, but had to be...
  4. jodyconcrete

    concrete and sound

    Yes,it would have simply been used as an expansion joint at the wall, so no concrete flooring would be touching the block. Under the styrofoam should be 6" of stone, at least that's what was spec'd
  5. jodyconcrete

    concrete sound problem

    Hmm… the tubing is simply filled with water. My acoustic designer has done a lot of home theatres w radiant heat without this problem. Is this an issue of "too much" water added during the concrete? The concrete itself is very light grey- hard to see any aggregate at all, and is almost 'powder...
  6. jodyconcrete

    concrete sound problem

    At this point, anything is possible, though I'm not sure how there could be a void between the concrete and the insulation. That said, there is radiant pex tubing, and wire mesh in the slab. They were supposed to be raised, but I am guessing that they weren't..
  7. jodyconcrete

    concrete and sound

    Ha.. no problem. Yes, that's what we've actually been discussing. The space is divided into three rooms. One is a powder-room, one a small vocal booth, and the main room is for mixing music… If we put a floating floor in the powder room and booth, that would at-least help transmission problems...
  8. jodyconcrete

    concrete and sound

    Hi Mike, Thanks for your reply. I wish it were that simple… the space is already finished. glue-down engineered hardwood, double-layer walls, acoustic doors, acoustic panels, and all of my gear.. ugh. Any thoughts on how different quality could be at-fault here? It was specified at 32MPa, but I...
  9. jodyconcrete

    concrete sound problem

    Thanks Ron, I appreciate you message. The problem doesn't have to do with exposed surfaces. That's the dilemma; the room is acoustically designed and built on the inside. Precise acoustic panelling, glued-down engineered flooring on-top of an acoustic underlay, and double-walls that are both...
  10. jodyconcrete

    concrete and sound

    The short version is this- I am a music producer and engineer. Two years ago, I hired an acoustic designer and contractor to build a small music studio (approximately 600sq feet.) It was built from scratch; new footings, etc, with concrete block walls, and a 6" concrete slab floor. The initial...
  11. jodyconcrete

    concrete sound problem

    The short version is this- I am a music producer and engineer. Two years ago, I hired an acoustic designer and contractor to build a small music studio (approximately 600sq feet.) It was built from scratch; new footings, etc, with concrete block walls, and a 6" concrete slab floor. The initial...

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