Soundmark Studio Construct March 2006

From thread ( http://www.johnlsayers.com/phpBB2/viewtopic.php?t=4885 ) Well, it is time to move this thread to construction for sure. Notice the studio project name has changed to Soundmark Studios. Updates for this weekend: 1. The East wall foundation slab is varing @ 5" down in some areas, making proper framing impossible. Gotta fix it. We got two concrete finisher quotes on fixing things up and found the right guy for the job. Whew! We will delay the framing of the East side (Studio B) and repair the floor next Tuesday, but have moved forward framing out the west side ( Studio A). See Pixs...

Encuadramos esta mitad de la facilidad de estudio en dos ocho días de horas.

More Ongoing Shots...and a layout.

Single-framed walls between the two studios? What's your exact wall plan, starting from inside CR-A and ending inside Studio B, layer by layer? Steve

Hi Steve, The corridor between the two studios functions mainly to give access to the restroom in the back of the facility from the front lobby. The corridor will also have 2 other doors- 1 into Control Room B and 1 into Studio A. The Corridor Walls will be 1/2" gypsum on -25 gauge Steel 3 5/8" frame with R13 on- 1/2 gypsum <seams caulked and then finished.> (Mostly to keep us on budget so we can open and get our clients served. ) The corridor with one layer of gypsum on eash side will finish at 46" (hall width), so at a later time we will have plenty of room to add/stagger more layers of 5/8" gypsum to the corridor walls.

Today we evened up that little floor issue in B with 84 80lb bags of Quikcrete and finished it up with 25 bags of Partland Type II. Dusty!

A little progress...

Alright, I LOVE watchin' OTHER people do concrete... :lol:

Tell me about it brother! The mixer guy (opening the bags, dumping them in and QC the Mix) nostrils were SO NASTY at the end of the job. (I gave him a $20.00 cash tip plus a 3M ventilation mask from Lowes and made him swear to me for his grandkids, that he would wear it from now on doing that gig.) Hey, a level floor is nothing to take for granted mate!

Studio A : Axial Response

Studio B : Axial Response

Studio A will likely need a bit more treatment (heavier corner absorbers, few more clouds, etc) to sound as smooth as Studio B - A has a few coincident modes, namely 141.3 hZ, 2 axials + 1 tangential + 1 oblique at 141.7 hZ - then a couple of oblique and tangentials at 145 hZ, some "bunching" at 170, more at 180, plus 3-4 more coincidences still under 250 hZ. These aren't real drastic, but plan on using a few more corner traps, probably even some between wall-ceiling corners, before you're happy... Steve

Yeah...thanks for looking it over mate. Control A: I plan on creating a cloud same width and 1.5x deep as the console and hanging it overhead the console profile, essentially covering the console and mix position and creating a pleasing splay angle away from the front wall side.

Well the Foreman was pissed when he saw the concrete repair...its not exactly level, and it should be. Good news is that he has a plan to remedy the situation..we press on. Framing out B side tomorrow. We also have to come up with a remedy for rocking between the studio/control rooms in the 2" gap I left between the double stud walls around the sliding doors. We have a few ideas we are kicking around, none of which sound very appealing so far...everything from dismantling one side of studs and rocking/finishing and reinstalling the second wall to "slipping rock between the walls and liquid nailing them to the studs(aint gonna happen on my watch). What we cant have is apparent leakage between the A control room /A studio; B control/ B Studio. What we will have is a solution and soon, or heads are gonna roll! hehe

Got a couple of close-up pix of your gap/door thang? I'm not seeing it in my head without... Steve

When we are framing tomorrow, I'll get some pixs mate. Essentially the only double-framed wall is between Studio A/ Control A AND between Studio B / Control B. These are the areas we are installing sliding patio doors in parallel on these walls. So in order to walk into the studio from the control room, the easiest route will be to go thru this wall via the two parallel sliding patio doors-which are replacing my standard door with studio window combo. Pixs forthcoming.

B Framed

Heres a close up of the double wall I was mentioning earlier. This wall seperates studio B from Control B. My intention was to sheetrock both sides of both walls for the best seperation. With a 2" gap, I am told it is now impossible. Options: 1. double rock one exterior side (side facing studio B), then only rock one interior wall, and stuff with insulation. 2. dismantle one wall, rock the standing interior wall, reassemble second wall which would be rocked while on the floor. Not sure how to pull this off... Other reasonsable ideas?

You have read the REFERENCE section, right? Especially the part about mass-air-mass between any two areas you want to isolate from each other? The whole purpose of double frames is so you can put ONE leaf (any number of layers)on ONE side of ONE frame, and the SECOND leaf on the OUTER side of the SECOND frame - this gives you the widest air/insulation gap between masses, which gives you the best bang for buck in isolation... Steve (Not tryin' to get in yer face here, just making sure you don't do something you'll not like...)

Why can't you put at least one layer(s) on each side. Is it a cost thing?. It looks like you are sorted from you photo in terms of the actual framing. Just fill the stud cavities with insulation and screw the wallboard directlly to each wall, each side. JohnG

listen to Knightfly. putting drywall on the insides of the frames will make isolation worse, not better. so don't waste your time doing that! put all the drywall on the outsides of the frames only. also i'm not sure what is going on with your ceiling. it looks like a standard office-type drop ceiling, where you put fiberglass tiles in? if that is what you are doing i don't think you are going to be happy with the iso between rooms, no matter what you do to the walls. but maybe i'm interpreting the pix wrong. i hope so!

i checked out your design thread, i guess this will be 5/8 drywall x2 in the ceiling grid. i guess you are committed to this path, but i have my doubts. for one thing, that's an awful lot of seams, it's not the same as having 2 continuous layers of 5/8. maybe it can still be caulked though. are you planning to caulk each tile? this is an unusual approach to say the least. sorry to throw this out at you, but better to be sure now than disappointed later. we've seen a couple people around here recently who ended up disappointed with their results, because they didn't have their research down before building. the idea of putting drywall on both sides of each studwall in your double wall is a big clue that you haven't done the research. i would maybe learn a little more before committing your money to a course that may be misguided. sorry if that sounded harsh, i just wanted to give you a heads up.

Hey Dan, Thanks for your helpful attendance and comments. Never too harsh mate. For now this overhead ceiling will be ½” gypsum, one layer thick in the whole facility. We will caulk each point that the sheets meet each other, as well as backfill the corners that meet vertical walls. I don’t understand what you had in mind in your descriptions (continuous…yes this will be a ceiling that is comprehensive…ceiling everywhere) , so I hope this clarifies our current path. The Celotex grid is CAPABLE of easily handling 2 layers of 5/8" overhead...we are going with one layer of 1/2" limited by budget, as we are several thousand over now in projections anyways. Once we get going and get more resources, we can add another layer to the ceiling where it is necessary. Probably next year sometime. Thanks for the direct comments about the interior double-wall drywall issue. I appreciate your view.

Are you actually going to cut up sheets of drywall into 4'x2' pieces and place them in the ceiling grid and caulk the edges? :shock: If you are - you're completely nuts :? Why? Because it will not matter how well constructed the walls and floor are - they could be ten foot thick - the sound will simply flank the walls thru the ceiling. All the time and money you've spent will be wasted. You will not be able to isolate each room because the sound from the adjoining room will travel thru the ceiling and into the next room. If your walls extended to the roof and were sealed to the bottom of the roof, then you could do what you are intending and it would not affect room to room isolation. The ceiling should be 2 layers of drywall attached to the ceiling framing. The sheets should be full size sheets - 4'x8' or 4'x12'. the first layer should have the seams taped and the second layer should be applied perpendicular to the first and have joints finished. The end result is a ceiling boundry composed of one continuous - from wall to wall - diaphram 1 1/4" thick (2 layers of 5/8" drywall) with no cracks, joints, seams, etc. Only then can you expect adequate isolation from room to room. I hope I haven't misunderstood your intentions. If so I apologize. :oops: Good luck :D

Sandersd, I must be throwing out some curveballs of communication. Did I imply I was cutting gypsum up to make a patchwork ceiling 2 x 4 pattern somewhere? On my craziest day, I couldn’t fantasize something so thoroughly mental ... I disavow such a proposal entirely. Let me try to clarify my overhead finishing plan. -ahem- The ceiling grid will be covered with 4' x 12' sheets of SHEETROCK 1/2" . The seams will be backfilled with Owens Corning Non Hardening Acoustic Caulk and finished. The seams are any and all edges of the boards. We planned on staggered 2 x 6 stud walls to the ceiling with at least two layers of sheetrock on all walls and ceilings, as I have mentioned in the previous thread, but our budget would not allow for it. I am married to the accountant...I plan on staying married to the accountant. At a later time (budget permitting), we may/should add a layer of 5/8" gypsum to the ceiling, staggering the seams and backfilling with non-hardening caulk then finishing. This will be the overhead ceiling. We will also install surface facades (like real traps) to create some splay angles away from the mix position in addition to trapping, but this will be after the rock is finished.