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Addition. Theater Room, Sound Insulation


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#1 akdave

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Posted 03 September 2013 - 09:56 AM

We are putting a new addition on the house and I will be getting a semi dedicated theater room! It will still have weights/treadmill/elliptical in the back. The dimensions are roughly 23' x 24' minus a small furnace room and wall materials.

For sound insulation we were going to have two layers of drywall with green glue, but due to time, money and weight consideration we have changed course. The ceiling will be suspended on a track and the walls will have staggered studs. We are going to have insulation in the ceiling & walls as well as a layer of soundboard. It will be a forced air furnace and hope to have a dedicated line for this room.

Anyone with soundproofing experience, I appreciate your input. I know there is a sacrifice by not going the green glue route, but I have been told that decoupling the room is probably the most signifcant first step in noise reduction.

I am going to try to post a few pics taken from my iPhone using the panoramic feature. I promise the boards are straighter than that. :-) The bracing is also temporary until some materials are moved from the floor above.

Attached Thumbnails

  • Panorama In.JPG

Front - Klipsch RF 7II Center - Klipsch RC 64 II Surrounds - Klipsch RS 62 II Sub - Klipsch SW 115 Pioneer Elite VSX 53 Panasonic 65 VT50 Emotiva XPA 5

#2 akdave

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Posted 03 September 2013 - 10:03 AM

The window will be framed in once the furnace and drywall are in.

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  • Panorama Out 2.JPG

Front - Klipsch RF 7II Center - Klipsch RC 64 II Surrounds - Klipsch RS 62 II Sub - Klipsch SW 115 Pioneer Elite VSX 53 Panasonic 65 VT50 Emotiva XPA 5

#3 akdave

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Posted 03 September 2013 - 10:08 AM

The white wall is quadlock foam filled with concrete and has earth on the other side. Noise for the neighbors will not be a big issue. I realize none of these comments line up with the pics :-S The door to the existing house is under the vapor barrier.

Attached Thumbnails

  • Panorama Out.JPG

Front - Klipsch RF 7II Center - Klipsch RC 64 II Surrounds - Klipsch RS 62 II Sub - Klipsch SW 115 Pioneer Elite VSX 53 Panasonic 65 VT50 Emotiva XPA 5

#4 akdave

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Posted 03 September 2013 - 10:11 AM

The studs. Staggered studs are very effective for thermal insulation as well. Important in Alaska!

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Front - Klipsch RF 7II Center - Klipsch RC 64 II Surrounds - Klipsch RS 62 II Sub - Klipsch SW 115 Pioneer Elite VSX 53 Panasonic 65 VT50 Emotiva XPA 5

#5 Tasdom

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Posted 10 September 2013 - 05:15 AM

Nice project Dave! Just noticed this thread and looks like there's not much love down here. I'm not versed in sound proofing but the current AVS HT of the month is an interesting thread with some good tips in that regard...

Enjoy!

http://www.avsforum....ess-of-solitude

His build thread

http://www.avsforum....olumbus-indiana


9.2 System.............

Klipsch RF-7IIs Mains

Klipsch RC-64II Center

Klipsch RB-75s Heights

Klipsch RS-7s Side Surrounds

Klipsch RS-52IIs Rear Surrounds

Klipsch RW-12d x 2 Subs

Klipsch '83 Belle's x 4 (2 in use / 2 anxiously waiting)

Onkyo PR-SC5508 Pre/Pro

OPPO BDP-105

Emotiva XPA-5 x 2

Emotiva mini-X A-100

Epson 6030UB Projector

Vapex Electric 120" Tensioned Screen

LG 60 in.LCD / LED TV

Roku 2XS Media Streamer

Logitech Harmony Ultimate


#6 akdave

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Posted 10 September 2013 - 10:04 AM

Tasdom, Thank you for the reply - that's a great build!

They didn't spare a thing - the sand in the stage is a great idea - I doubt I will have that... for now... I may be able to approach the topic later but with a new kitchen & master bed/bath being added, I need to be patient and bide my time!

I may post a link in the HT section - I felt it belonged here, but the crickets are the only noise so far! [:)]

I am grateful for your input.


Front - Klipsch RF 7II Center - Klipsch RC 64 II Surrounds - Klipsch RS 62 II Sub - Klipsch SW 115 Pioneer Elite VSX 53 Panasonic 65 VT50 Emotiva XPA 5

#7 MoparBob

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Posted 27 December 2013 - 12:35 AM

As for insulation I'm using rockwool and sealing all seams and holes. I'm all so using quiterock drywall. Quiterock sells green putty sheets that rap around the back of outlets to keep sound out of the walls. Good luck and have fum with the build


84 Cornwalls front 72 vert. cornwalls center 85 Heresy rears 82 Heresy center rear RSW15 sub Sunfire Signature amp 7 x 400 Denon AVR 3808 Denon DVD-3800BDCI blueray

#8 Pete H

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Posted 28 December 2013 - 02:21 PM

Looks like a fun project! What are you doing with the door that will connect the room to the rest of the home? This would seem to be your biggest concern for sound transmission. I remember doing a commercial project a long time ago that we used a steel door and drilled it out and filled it with sand and it did wonders for stopping the sound, but not practical for your house.


Pete ........It is what it is! Onkyo 805 and 890, Sansui 8080 and G5500, Sony STRDE997, Carver CT7, 5 Carver M200's, Oppo 983, Sony S7000, S7700, S9000, Behringer 16 Channel Mixer and DCX 2496, QSC DCA1622, RF 7's, RC7,RS7's, RSW15's, RF35's, RP5's and 8's, RC3's, RB5's, RB61's, Cornwall 2's, Split Cornscala's, Velodyne1512

#9 robc1976

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Posted 31 December 2013 - 10:37 PM

In the middle of building my theater, I used DD "Soundbreak" on all walls, ceiling even though all walks have 15" concrete) with 3 tubes of green glue per sheet. If on budget go with regular DD 5/8" with green glue and apply 1.5-2 tubes of green glue per sheet.

For door go with double solid core, thresholds and automatic door bottom on theater side. Seal door jams with psd seals.

While post pics of my build soon...fun stuff! Enjoy it man!
9.2 DSX RF-82II (fronts) RF-82II (wides) RC-64II (center) RB-61II (Heights) RB-61II (Surrounds) Sub (2X A5-350 Elemental design) w/ O-audio amps Reciever: 4311Ci (2) XPA_5's Denon 1611-UD (BD) PF-60 power conditioner

#10 Tasdom

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Posted 31 December 2013 - 10:52 PM

Came across this site with some good info and articles on sound proofing

http://www.soundproo...undproofing101/


9.2 System.............

Klipsch RF-7IIs Mains

Klipsch RC-64II Center

Klipsch RB-75s Heights

Klipsch RS-7s Side Surrounds

Klipsch RS-52IIs Rear Surrounds

Klipsch RW-12d x 2 Subs

Klipsch '83 Belle's x 4 (2 in use / 2 anxiously waiting)

Onkyo PR-SC5508 Pre/Pro

OPPO BDP-105

Emotiva XPA-5 x 2

Emotiva mini-X A-100

Epson 6030UB Projector

Vapex Electric 120" Tensioned Screen

LG 60 in.LCD / LED TV

Roku 2XS Media Streamer

Logitech Harmony Ultimate


#11 akdave

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Posted 10 April 2014 - 05:11 PM

So looking at the calendar, I haven't checked this thread in a while either. First of all - thank you for the responses. We have been moving on the addition to our house, but the theater room is mearly weathered in (insulation + vapor barrier) to date.

Here's an update where I stand at the moment:

I'm told there is some concern with the weight load of putting double drywall the entire span of the ceiling. A few options have been explored and the best consensus is this. We will be putting insulation in the ceiling (between the floor joists above) and running a track to decouple the ceiling. We will put soundboard in as well and I had someone with experience doing this in Seattle stop by and he recommended adding a layer of foam board insulation (R Max style) if weight was a consideration. I read through your link Tasdom (THANK YOU - That's a good site!) and I'm not sure how effective the various light weight mediums will be especially on knocking down the lower end sound. I will say we used the R Max in our new master bedroom upstairs and it knocks the wind noise down substantially! (we get 30-50mph winds 4-5 x's/winter) I realize there is a significant difference between wind noise and 100dB of home theater explosions... Additionally I am now debating the order of the layering of these materials - I was thinking dryall-foam board-track-sound board-floor joist; but it may be better to not have the smaller air gap according to that link and it might be better to run the two boards flush with the drywall, then the track and joists. (thoughts - suggestions please!)

As for the door - here comes a decent expense: I am probably going to have a custom door(s) made that will be solid core wood on the theater side and probably exterior grade french doors on the house side due to the WAF. We will be running furring channels along the existing house side wall and stuffing that with insulation as well. (it's an insulated exterior wall as is). I have in mind to still push for the dual solid core door, but I imagine we're close to a year from this taking off so I need to space my battles.

I truly appreciate your feedback and any more that you have I look forward to!


Front - Klipsch RF 7II Center - Klipsch RC 64 II Surrounds - Klipsch RS 62 II Sub - Klipsch SW 115 Pioneer Elite VSX 53 Panasonic 65 VT50 Emotiva XPA 5

#12 Ceptorman

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Posted 13 April 2014 - 06:57 AM

Nice project AK, your attention to detail is excellent. I am following your progress for info to do the same some day….thanks.



#13 derrickdj1

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Posted 13 April 2014 - 07:41 AM

The project is started so, enjoy the build. Sorry, I have noth to add of any help. Keep posting pic's along the way!


Entertainment Room/HT  7.2 system:: RF 7 , RC 64, RS 35 Surrounds and FH

Subwoofers Chase SS 18.2(2) and Chase VS 18.1(2)

Behringer I Nuke 3000 DSP(2)

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Family Room: Sony STR HD 510, Samsung BDP C 5500, I con VF 35, Epik Legend subwoofer