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Saga of the "Old Vic" - Page 2

post #31 of 1108
2/6/09 at 6:39pm
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Quote:
Originally Posted by W00lly View Post

I used the quiet foam but didn't use dricore because of the cost I used delta FL then foam then 3/4 OSB

Woolly, I meant to ask you: Did you frame on top of the OSB or lay your floor up to the baseplates? I was thinking how the air flows under the delta FL if the edges are sealed..
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post #32 of 1108
2/6/09 at 9:22pm
I put the delta and subfloor down first then built the framing on top. I also want good airflow if I did have a leak. I think we all get wrapped up in everyone trying to isolate sound and over think it. if you do your room with DD & GG down there and its all separate from all the other framing you will be fine. I didn't use any clips and all you can really hear is the sub when there are super heavy bass scenes above my HT.

What do you plan on using to cover the outside of the framing of the theater room ? I would also make sure you do 2 hvac supply's & returns I only did 1 of each and it just does not move enough air and will heat up pretty good by the end of a movie session if I have a full house Right now you need a blanket as I have the heat turned off to the HT
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post #33 of 1108
2/7/09 at 6:37am
From a sound isolation perspective, you would be better not framing on top of the Dri-Core. Sound will pass through the dricore, then under your wall.
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post #34 of 1108
2/7/09 at 12:55pm
Well I can't say for sure sound is leaking from under my walls or not thats just the way I did mine as I was more concerned with a basment leak getting into the 2 tons of sand I have in my stage
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post #35 of 1108
2/7/09 at 1:21pm
And as I recall, you have double studs. The system might possibly benefit from the air under the floor uniting with the air between the double studs. Possibly larger air volume = lower frequency. Possibly.

At any rate not a big deal. And you have overwhelming good reasons for doing it the way you did, and it's working.
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post #36 of 1108
2/8/09 at 9:29am
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Quote:
Originally Posted by Ted White View Post

From a sound isolation perspective, you would be better not framing on top of the Dri-Core. Sound will pass through the dricore, then under your wall.

Thanks Ted, actually that is exactly the reason I asked W00lly. In my situation I'm unlikely to have a major flooding problem, so I think I'm going to put the sub floor inside of the room framing with a small gap around the edges.

FWIW I've being looking more closely at delta-FL as an alternative to Dricore and it seems like a better (and cheaper) alternative given that I'll be laying my own plywood on top. So it's concrete, delta-FL, Quietfoam and 3/4" ply. I'll frame a double baseplate so that I have room to screw the bottom of the drywall to -- should be warm and cozy!
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post #37 of 1108
2/8/09 at 9:44am
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Speaking of water, I made a bit of progress yesterday and got a little wet. I needed to move a drain/sewer pipe so that it didn't interfere with a closet area. I think you can guess where this is going..

I told my wife and 7 yo daughter not to use the bathrooms for an hour or so. I even got my daughter to repeat it back to me, twice. So there I was on a stepladder juggling two ends of the pipe and the last elbow when I heard the sickening rushing sound... it probably only took 2 seconds but it was as if time froze: do I hold the pipes together or jump off the ladder out of the way. Clearly I over analyzed it... I *almost* managed to get the ends together. Well, that was enough for the day and I spend the rest of it in the hot tub trying to think about something else.
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post #38 of 1108
2/22/09 at 10:54pm
Paul

Whats the latest we want to see pics of the concrete pour
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post #39 of 1108
2/23/09 at 9:25am
Thread Starter 
I don't know how all you guys find the time to do the work *and* post on the forum ;-) I'll send some updated pics tonight -- I have been making progress.
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post #40 of 1108
2/23/09 at 9:47am
Well I'm off in the winter from my main job and I only sleep about 6 hours a day so that gives me more then enough time to build, watch movies and surf AVS
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post #41 of 1108
2/23/09 at 5:01pm
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Here's a little progress report with pics. I'm now past the worst part and have the fully prepared envelope for the theater. It's funny how many folks post a construction thread when they are nearing completion and I'm still digging out the hole in the ground!

A big hole needs a lot of concrete, poured in three phases: the footings, the walls, then the floor.

Here is the prep for the footing pour:


After the footings were poured and we completed the existing foundation excavation we have a lot of rain. It was actually quite timely because it allowed us to get the (unexpected) drainage problem worked out before it was masked by the new concrete floor:


The problem was the original cold joint at the footing to wall boundary that we had now exposed:




The really strange thing was that this was on the downhill side of the house -- it appears as if the water was flowing up hill. After a lot more digging we found that the water was indeed draining into a fill hole that was more porous that the surrounding clay soil so.... we fixed the drainage and puched through the footing on the opposite side of the crawl space and added a sump pump as a precaution:
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post #42 of 1108
2/23/09 at 5:04pm
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With the water problem addressed, the new walls were framed and poured:




After curing and a bit of cosmetic cleanup:


Now just the floor to go...
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post #43 of 1108
2/23/09 at 5:06pm
Thread Starter 
Preping the floor:




Finally... all the dust is gone and I can think about the framing...



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post #44 of 1108
2/23/09 at 5:13pm
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Whilst the basement excavation has been going on, I've been finishing up a garage/workshop remodel. I've still got a couple of weeks of work left on that project, but I need to wait 2-3 weeks for the concrete to properly cure before I can apply moisture barrier and start framing so it works out well.

I've always had hobbies of woodworking/metalworking and believe the cleanest work is done in the cleanest shop (we'll see how long it stays like this).

The theater exterior exit is in the back left of this picture:




Finally, the new stairwell down to theater/workshop:
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post #45 of 1108
2/23/09 at 5:15pm
Thread Starter 
Quote:
Originally Posted by W00lly View Post

Well I'm off in the winter from my main job and I only sleep about 6 hours a day so that gives me more then enough time to build, watch movies and surf AVS

What kind of job allows that kind of luxury? A whole winter of theater building ...
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post #46 of 1108
2/23/09 at 9:20pm
Really nice shop!

How do you keep it so clean with the mats on the floor. Do you have to pick them up each time you sweep it out?

CJ
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post #47 of 1108
2/23/09 at 9:26pm
Thread Starter 
Thanks, but the shop is brand new .. actually I'm still building it. So it will get nice an dusty soon enough. The epoxy floor is not not only cosmetic, it really makes cleanup easy since very little will stick to it. The thick rubber mats are over 1/2" thick and greatly reduce fatigue. Most people think it makes cleanup harder, but actually it is easy - the holes help keep the sawdust from becoming a slip hazard and yet a flat pickup nozzle on the shop vac sucks right through without problem. I used it in my last garage/workshop so am doing it again.
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post #48 of 1108
2/23/09 at 9:29pm
Your shop is awesome I wish I could use my garage that way

You are coming right along can't wait to see it framed up

I have my own lawn business and I don't plow snow so when the Grass stops growing I stop working luckily my wife makes the big bucks so I can hang at the house in the winter
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post #49 of 1108
2/23/09 at 9:36pm
Paul

Did you build or buy a outfeed table for your table saw? I am going to need to buy or build one for running 4x8 sheets of ply
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post #50 of 1108
2/23/09 at 10:30pm
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Quote:
Originally Posted by W00lly View Post

Paul

Did you build or buy a outfeed table for your table saw? I am going to need to buy or build one for running 4x8 sheets of ply

I built one. I'll take a picture in the morning. It has both a static and folding section so I only need to unfold the whole table when ripping a full 4x8 sheet otherwise the static portion is sufficient.
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post #51 of 1108
2/23/09 at 10:33pm
This thread had me fascinated from the first couple of pictures. If the quality of the theater matches the quality of the shop, the theater will be impressive. I'm going to enjoy following along.

Re: the outfeed table, it looks like there is a folding outfeed table attached to the Jet table saw. I imagine he needs to open the garage door to feed any lumber through the saw that is more than a couple of feet long.
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post #52 of 1108
2/24/09 at 9:06pm
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Quote:
Originally Posted by W00lly View Post

Paul

Did you build or buy a outfeed table for your table saw? I am going to need to buy or build one for running 4x8 sheets of ply

Hopefully these pics will help. Just a two piece melamine top with support frame with piano hinge. I do need to open the garage door to extend the table, but I can manhandle 4x8 sheets on my own so it does its job.




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post #53 of 1108
2/24/09 at 9:08pm
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Quote:
Originally Posted by wjr858 View Post

This thread had me fascinated from the first couple of pictures. If the quality of the theater matches the quality of the shop, the theater will be impressive. I'm going to enjoy following along.

Thanks, I'll try not to disappoint but this forum is full of really skilled people.
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post #54 of 1108
2/24/09 at 9:23pm
Moggie
Thanks for the pics that looks easy enough to build. I can't wait to get the rest of the my saw parts and get it together and use it
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post #55 of 1108
2/24/09 at 9:35pm
Thread Starter 
I need to suggestions on finalizing my plan before I start framing. bpape pointed out that my original room size of close to 30x15x10 was a pretty bad one acoustically. I guess I knew this but never bothered to think about options. I'd be interested to hear from anyone who has experience with IB subs... the new plan calls to cut off about 3.5-4 feet of length and use the 12,000+ ltr space as the enclosure for a IB sub, either as a dual manifold or an array on a reinforced dividing wall. Something like this:



Is the IB really worth it? Or is there a better way to configure the available space?
I did post a question on the "cult of the infinite baffle" forum and sensed the audience was quite mad over there (in a good way). They said with all the space (and crawlspace) I should plan on up to 8x18" woofers ... See I told you they were quite mad. What do people think, is it worth it?
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post #56 of 1108
2/25/09 at 6:41am
You know what my vote will be ---- Hell, Yah!!

But I have the floor space to waste and thought it would add a little special something to my project.

If you plan for 4 feet width in the IB room, you can use full sheets of drywall for the first layer. I wouldn't go over that.
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post #57 of 1108
2/25/09 at 6:50am
Some guys post pics of their exotic cars or smoking hot wives in there threads. This may be the first time I got wood looking at pictures of a workshop. I'm curious what you've built with the milling machine.

I'm going to be sleeping a lot better now that something solid is holding up your house. Looking forward to seeing this build progress now that you've caught up to where most of us start!
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post #58 of 1108
2/25/09 at 8:33pm
Moggie, your build looks fantastic! I might not have found your thread if you didn't post in mine. I am now subscribed.

That looks like a great space to work with. My Midwest "huge basement" as you like to call them is nowhere as impressive as your space. I would love to have nearly 10' ceilings. Are you planning a star ceiling?

I don't have experience with an IB although I am building one behind my screen for my basement build but in my last house/theater, I had 2 SS 18" drivers in 2 large DIY enclosures behind my screen. Before the DIY subs, I had some Def Tech towers that had a powered 12" sub in each tower. I thought they were pretty good but I could bottom them out from time to time. After experiencing the large ported subs...some call them LLTs...I will never go back to just commercial tower speakers with powered subs. I will not go with 8 18" drivers either, but I plan on going with either four 18's or two 22's. Don't underestimate the power of a DIY sub/IB sub. I actually rattled a picture off my NEIGHBOR's wall in the other theater. I liked my neighbor and felt bad about this but secretly I was also impressed. Unfortunately, it used to rattle the entire single floor standard construction 1 layer drywall house and it drove my wife nuts. I was planning on trying to retrofit the theater with better sound isolation but came to the conclusion that it would be easier to sell the house and find a basement...
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post #59 of 1108
2/25/09 at 9:11pm
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Quote:
Originally Posted by tjambro View Post

Are you planning a star ceiling?
...
Don't underestimate the power of a DIY sub/IB sub. I actually rattled a picture off my NEIGHBOR's wall in the other theater.

Very funny! Well, I'm trying hard to minimize the effect on the rest of the house - I PROMISED the wife she wouldn't hear the theater

Yes, star ceiling is definitely planned. In fact the very first few pages I read on AVS last year was Sandman (Ruben's) star ceiling build. I think I'll try something similar.

Quote:
Originally Posted by Cathan View Post

You know what my vote will be ---- Hell, Yah!!

Ok, so it's official, I'm going IB I'm still not sure whether build manifold or array. I kind of like the visual impact of a row (array) of 18" drivers. I know a manifold if probably safer in terms of mechanical balancing and I'm definitely getting advice in that direction, but I'm pretty handy with a welder and could easily make a row of triangular steel bracing to make the wall bullet proof. Still plenty of time before I have to decide..
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post #60 of 1108
2/25/09 at 9:24pm
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Quote:
Originally Posted by BIGmouthinDC View Post

Some guys post pics of there exotic cars or smoking hot wives in there threads. This may be the first time I got wood looking at pictures of a workshop. I'm curious what you've built with the milling machine.

Hmmm, I think I prefer the hot wives pictures myself, but I'll remember to give you warning so you can avoid the final workshop pic - i'd hate for you wife to think you were being unfaithful

The milling machine is actually now a full CNC lathe and mill. 10 years ago it started life as a cheap Chinese casting and over the years I keep building add-ons for it. I'd like to say that I've built some beautiful scale replica engine or some such, but the reality is that most part are pretty utility - butterfly engine valve for my classic car, hatch and door lock mechanism for a friends home built aircraft, honed disc brake rotors, motorbike parts. Oh, and one of my other hobbies is flying a Paramotor and those things break down just about every other time you fly...


Quote:
Originally Posted by BIGmouthinDC View Post

I'm going to be sleeping a lot better now that something solid is holding up your house.

Me too. But I'm really happy with the result.
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