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Discussion Starter #1 (Edited)
Update 11/20/2018:
Screen frame assembled. Need a bigger level before I can mark the mounting locations and get it hung.


Update 11/19/2018:
In-room electrical done. Lights are on and looking good.


Update 11/03/2018:
Walls primed, starting paint. Comment with picture added.

Update 10/24/2018:
Carpet selected, seats delivered, drywall mudding and sanding continues. See comment for details.

Update 5/15/2016:
Framing completed. We put up the final wall today, which means framing is now complete. Time to start on electrical and plumbing.

Update 3/22/2016:
Elusive 1099 L/C/R order finalized

Update 12/28/2015:
I am finally starting real construction. Purchased enough wood to get the theater and a couple other rooms framed. I'm going with a room within a room. Nothing will be connected to the floor joists or the wall separating the theater from the main part of the basement. Framing should go pretty quick. Here are a couple upside down photos since this forum photo posting is a real pain:

Here's a view from the rear of the room:


Here's a look from behind the screen wall:


Update 1/1/2014:
I started the new year off with a bang... Or more like a snap or pop... I finally got around to doing some actual work in the basement that isn't just in sketchup on the computer. Even though it is only insulating the exterior walls, I am excited to at least get some momentum going in the form of actual construction.



I've also made some more progress on the layout of the basement walls. I don't want to start detailing out the theater area until I'm sure all the other walls in the basement are in a good spot.



My wife and I just got done building our house and my home theater goodies have been packed up for a year now. I figured I'd build a dedicated space to un-pack them into, so I'm starting a thread to follow my progress and get input from the wealth of knowledge around here. I'm hoping to get a bunch of ideas from a local Home Theater Tour this next weekend too. Anyway, here are some rough plans so far. The space I'm looking to build the theater into is roughly 13' x 19' x 9' and is shown on the plans as the area in red.



I'm also playing with sketchup for the first time and I'm hoping to figure as much out on screen before I begin the actual construction.



I'm thinking the components will be housed in an extension to the utility room, but they could maybe go in the room towards the top of the page too. I'm open to suggestions.

I'm planning on going with a projector and 2.35:1 screen with speakers behind it. I currently have Definitive Tech. speakers, but plan on building some SEOS 12 or similar DIY speakers after the room is built.

Anyway, I'll be updating this thread with photos and questions as I get further along. Please help me avoid land mines! I've also been reading the many great build threads already available, so I have lots of ideas brewing. I just don't know if they're all good ones.
 

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I noticed you're in Omaha, and that got me checking if you're going to the get together this weekend. As a newbie and (eventual) first-time builder I'm certainly looking forward to it. I'm sure you'll get plenty of your questions answered there. See you Saturday!
 

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Discussion Starter #4
trancemitr, It was nice to meet you Saturday. I took your picture in front of nebrunner's screen, but didn't get a chance to talk to you too much. I'm super pumped to get going on my theater now (as if I wasn't already excited...) It sounded like you had some doubts about starting your framing. Don't be scared.
Tom Silva from This Old House has a pretty good technique that doesn't require you to plumb every stud. http://www.thisoldhouse.com/toh/framing


hellerbrewing, my plans for that little room at the top are unknown at this point... I was thinking of making it an office or something since it doesn't have windows. I'm trying to plan out the rest of the basement before I dive into the theater itself, so hopefully I come up with something for that room. Got any ideas?
 

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There would be definite benefits of making that an office/server room and having your HT rack accessible to it. It would allow close access to a home theater computer/server without necessitating it be a rack-mount install. I like having the HT components visible from within the theater. Having them back into the office would be pretty convenient.
 

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Nice to see someone close by in the same boat.
I would suggest 2' minimum to be able to walk around. If you've got 3', go for it as it will give you room for a multitude of opportunities in subs if you choose to go bigger. I ended up placing my screen wall at 36" off of the foundation leaving me 32 1/2" to place stuff/move around it.
 

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No problem. If you ever build, there is a supplier in Lincoln for the spancrete. I looked around in Omaha and they sent me to Lincoln. Try and keep your spans under 28' if you can as you will have to add thickness affecting your final ceiling height. We have an open stairwell from the basement to the main floor and with just a blanket over the theater room doorway my wife said she could barely hear the nailer.
Can't wait to see what it's like with an actual door and the system running at reference.
 

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Discussion Starter #10

Quote:
We have an open stairwell from the basement to the main floor and with just a blanket over the theater room doorway my wife said she could barely hear the nailer. smile.gif Can't wait to see what it's like with an actual door and the system running at reference.

That's awesome. I could pretty much carry on a conversation with my wife from the basement.
That will be much improved within the theater though.


Speaking of which, let me know if you have any thoughts on this: I'm wondering if I should use hat channel on my floor joists to hang the theater ceiling, or if I'd be better off building a separate wood stud ceiling for the theater that's not connected to the floor joists at all, but instead held up by the theater walls below. Not sure of the cost/sound benefits either way. I'll have to do some reading.
 

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I've never done that and would not be in the best position to comment. However, I did listen to nebrunner's theater who I believe did use hat channel and was thoroughly impressed.
 

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Quote:
Originally Posted by sassuki  /t/1435222/sassified-basement-cinema#post_24170249


That's awesome. I could pretty much carry on a conversation with my wife from the basement.
That will be much improved within the theater though.


Speaking of which, let me know if you have any thoughts on this: I'm wondering if I should use hat channel on my floor joists to hang the theater ceiling, or if I'd be better off building a separate wood stud ceiling for the theater that's not connected to the floor joists at all, but instead held up by the theater walls below. Not sure of the cost/sound benefits either way. I'll have to do some reading.

If you mean to have a unique ceiling, only held in place with the theater walls, that is best. That provides zero contact surface, and is ideal - most simply don't have the height to do that, but if you do, that is a great way to go...
 

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Discussion Starter #14

Quote:
Originally Posted by warrenP  /t/1435222/sassified-basement-cinema#post_24173267


If you mean to have a unique ceiling, only held in place with the theater walls, that is best. That provides zero contact surface, and is ideal - most simply don't have the height to do that, but if you do, that is a great way to go...

Great! Thanks Warren. That is what I meant. I think I'll plan on doing that. I've got 9ft ceilings where the theater is going, so losing a few inches to ceiling supports shouldn't be a problem. The room is only going to be a little over 11ft wide, so if I do the soffit around the perimeter like the drawing, I could use a couple beams to frame the soffit and span 2x4s for the ceiling between them.
 

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Discussion Starter #15
Theater dimension possible issues

I'm thinking of extending the back wall of the theater area to make more room for a second row of seating and I was wondering if the dimensions would cause any trouble. The new dimensions would be roughly 22'9" x 11'10" x 9' as shown in the attached sketch. Since 22'9 is so close to being double the width of 11'10", will that cause more issues than the extra room is worth? I'm guessing not, but I wanted to run it by the experts.

 

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i can tell you from experience cause i'm at exactly 12 feet, that 3 seats in the front is going to be hard to pull off. especially if you add treatments and columns on the walls. i am doing 3 in the rear but only because i will access that row while coming into the room. i know it's going to be tough. also is that a rood into the other space by the end of the first row seats? if you did 2 in the front it would be more doable. jmo.

the length of my room is 22 also. we have similar lengths and widths. i ended up with 3 in the back and 2 in the front. my first row will be about 11 feet and the second row will be at about 17 feet at this point, but a few things are changing in a week or two so these views might change.

jim
 

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Discussion Starter #17
Thanks for the suggestions on the seating, Jim. Yes, that is a door into the other room from the theater. i haven't finalized its location. I also just threw those seat models in sketchup to get some idea of scale, so I'll probably go with a two-seater like you suggest, or a loveseat or something. I'm mainly concerned with any ill effects of a room that's twice as long as it is wide and if I need to worry about it or not.
 

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Discussion Starter #19
The double wall at the back of the theater is up. I'm finding it difficult to keep the theater walls plumb since they aren't tied into anything other than the floor. I can push on the top of one wall and move the whole room out of plumb. Any suggestions on how to stiffen it up would be appreciated. I'm assuming it won't stop moving until I get the drywall up to tie it all together. I may do a layer of Osb first to help the shear.




Sent from my iPhone using Tapatalk
 

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I may do a layer of Osb first to help the shear.
Your walls will stabilize somewhat when you tie them together with your ceiling joists. I highly recommend using OSB as your first layer. Not only does it add significant stabilization, you will have the ability to screw or nail anything anywhere when finishing your build. A huge benefit, and you're not sacrificing much on sound isolation if you use Green Glue between the OSB & drywall.

Good luck on your build. Don't worry about how long it takes, some us are on the multi-year build schedule... :D
 
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