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Hey All, A friend is looking at purchasing a brand new warehouse/office space for the new home of is production team. The current place that we are looking at is a brand new warehouse space in a small new complex. Its 30’ x 90’ space with a second floor that runs 40’ deep, and is 20’ from the floor to ceiling in the warehouse space. The building isn't an end unit so there are other businesses on both sides of us. Between each unit there is a double wall construction. Steal 2x4's with insulation and 2 layers of 5/8" sheetrock with a 4" air gap between the two walls. The building is brand new and since he will be purchasing the place we can do as we wish with the inside of the building except for adding more sq footage to the second floor. Its part of an association and they have a rule on that because of parking. We are looking to put 2 production suites as well as 2 studios, Studio "A" with a big enough live room to have a small orchestral ensemble, choir or rock band in that space with a vocal booth and a larger control room. The second studio, Studio "B" would have a control room that is a bit smaller than "A"'s but would have a vocal booth attached. My main concern is with the walls separating our space from the other warehouse/office spaces? Would the current wall system be adequate if we did our own double wall/floating floor system for our studios? Or would it be better take down our half of the double wall system in put in a concrete block wall filled with sand? Or is that idea just plain dumb? I’ve attached an image of the space. There are 2 loading dock doors at the rear of the building which will be blocked up and made to match the outside of the building. The other door in the rear of the building I would like to keep for access to the live room for loading and unloading gear. Any help or suggestions would be greatly appreciated. Thanks everyone. Dave

I've went over that thread, and now I have a couple more questions. So would a wall constucted like this: 2 layers 5/8" rock with steel 2x4's framing and insulation an air gap of 2" then concrete block wall filled with sand then another 2" air gap with another wall with 3 layers of 5/8" rock with 2x4 steel framing and insulatin be better or worse then say 2 layers 5/8" rock with steel 2x4 framing and insulation with an air gap of 6-12" then another 2x4 framed wall with 3 layers of 5/8" rock/ and insulation? would the first wall system be a 3 leaf system and the lower wall system a 2 leaf system? Any idea's as to what would be better?

Dave, Idea 2 seems OK... From Inside out : Drywall/gyprock - frame with rockwool - space - frame with rockwool - drywall/gyprock (2 leaf system) . BUT Then you have a double brick wall right? (before sound hits the neighbours) - so this would now be a 3/4 leaf system...not good. I could be wrong but my best guess is... Resonator slats - frame/rockwool - double gyprock layers. Rockwool on outside of gyprock - space - rockwool - bricks. (I think you could treat the double bricks as one leaf in this situation - but I could be wrong). I strongly suggest you look at Rod's book before going any further... http://www.johnlsayers.com/phpBB2/viewtopic.php?t=5670 It covers most wall situations you will need. Then once you have read this and developed a decent plan of action arrange a chat with John Sayers. It will save you headache, heartache and $thousands....that you can put to better use (as was suggested to me - a bar fridge etc) :wink: http://www.johnlsayers.com/Pages/Phone.htm I honestly got a lot more out of the forums once I had digested the book and looked at other designs till my eyes nearly fell out...give it a few weeks/month. PS Forget the sand......seriously. That's why I sent the previous URL. Hope this helps

Thanks for the input. I think I am going to have to consult with people that know the studio design business before I move ahead with anything. Right now I am just trying to get myself more familiar with the studio design/construction portion of things. So I am not going in totally blind when I contact the right people. Dave