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Old 05-14-2004, 01:42 PM   #1 of 11
Eric Samonte
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how to frame a riser?


I am getting theater seats for the 2nd row which has to be on a riser of at least 6 inches. Does anyone know where I could find "plans" and whatnot for building them, i.e., framing, etc.?



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Old 05-14-2004, 06:52 PM   #2 of 11
Andrew Stoakley
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Hey Eric,

I built an 8 3/4" riser for my back seating and it was really simple. Just think of your riser as a floor on the ground. Take your measurements and create a square out of your lumber. From there, you're going to place your studs every 16" from centre. Find your centre point, place one stud there, and then place one every 16", both sides, till the end of your wall. Make sure you fill your riser cavities with sound batting or insulation. I used 3/4" construction grade OSB instead of plywood - mostly a cost and warp factor issue.

Hope that makes sense.

Cheers,
Andrew



"Remember kids - no one cares about audio until they can't hear it."

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Old 05-15-2004, 12:43 PM   #3 of 11
Chip_Slattery
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Eric,

Mine is built pretty much as Andrew stated above. Framing is 2x12s 16"OC with 3 layers(3/4"-1/2"-3/4") of CDX decking, packed with fiberglass insulation. Overall height is 13-1/2".

I used 30# felt below the framing and between the layers of CDX to hopefully reduce/eliminate any "creaking". I also screwed the entire riser rather than nailing which should keep the "squeaks" down as well.

If you're interested their are pictures in the "Interior Framing" section of my HT construction gallery which is linked below.



Chip Slattery
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Fox Path Theater (under construction - updated 11/25/05)
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Old 05-15-2004, 09:06 PM   #4 of 11
John Swarce
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Chip:

How did you go about making the step that is shown leading to the riser? Same basic construction as the riser, I imagine, but what did you use for the tread? Is that molding on the front of the tread and the riser? How high is it? I just finished hanging drywall today (mudding and taping is up next! ), but I will be starting on the riser and stage right afterwards.

Pictures look great, but I do miss the old site, as it was easier to navigate!

John



"Things you own end up owning you" --Fight Club

You are what you are when no one is looking...
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Old 05-15-2004, 11:29 PM   #5 of 11
Chip_Slattery
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Quote:
How did you go about making the step that is shown leading to the riser? Same basic construction as the riser, I imagine, but what did you use for the tread? Is that molding on the front of the tread and the riser? How high is it? I just finished hanging drywall today (mudding and taping is up next! ), but I will be starting on the riser and stage right afterwards.


John,

The step is a simple box made from 2x6s, 36"W x 21"D. You may be able to tell from the pictures that the tread is actually made up of two pieces. The front piece is a normal stair tread you can find at Home Depot, Lowes, etc. It is 1" thick and 11-1/2" deep including the bullnose. The back piece is a piece of 5/4x12 I ripped down to 10-1/2" wide. The overhang on the front of the step is aproximately an inch.

On the front of the riser I used 1-1/2" half-round for the bullnose. My riser has three layers of plywood, 3/4"-1/2"-3/4", for a total thickness of 2". If you look closely at the pictures you will notice that the half-round only covers the upper two+ layers...you can see part of the first layer of 3/4" plywood below the bullnose. I did this because I was having a heck of a time finding 2" half-round, and since the entire riser will have pad and carpet it won't be noticed in the end anyway.

My riser is built from 2x12s with the above mentioned decking. Overall height for the riser is 13-1/2". The steps to the riser are 6-3/4" high.

If I didn't explain well enough please let me know. I'm happy to answer any questions you have.

Quote:
Pictures look great, but I do miss the old site, as it was easier to navigate!


I moved everything over to the current gallery because it makes it a lot easier for me to upload the pictures. (selfish, I know :b ) I still have the old site (I kind of like it myself!) and will probably revive it once the theater is complete and it will serve as the standing history of the project.



Chip Slattery
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Fox Path Theater (under construction - updated 11/25/05)
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Old 05-16-2004, 10:09 AM   #6 of 11
Lévesque
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Here's a link to mine. We just finish it last week.

http://www.photo.net/photodb/photo?photo_id=2355065

1) 30 pounds roofing-felt.
2) 2"X8" on the side.
3) 50 years calking everywhere inside.
4) Owans-Corning R-35 pink attic insulation fiberglass in 9"7/8 thick sheets tightly stuff in there.
5) 30pounds roofing-felt again.
6) Plywood 3/4". Screwed and glued. Then 1/2" plywood screwed and glued, then another 3/4" screwed and glued.


The steps were done exactly the same way, but with 2"X4".


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Old 05-16-2004, 02:30 PM   #7 of 11
John Swarce
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Thanks for the info, Chip! Very helpful, as usual!

John



"Things you own end up owning you" --Fight Club

You are what you are when no one is looking...
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Old 05-17-2004, 07:57 AM   #8 of 11
marc
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Chip,

What program did you use for the layout?

Marc
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Old 05-17-2004, 08:34 AM   #9 of 11
Chip_Slattery
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Quote:
What program did you use for the layout?


Marc,

The floorplan and elevation drawing were done in SmartDraw, a Visio-type program.

The renderings were created with Autodesk Revit.

I'm happy to answer any questions...



Chip Slattery
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Old 05-17-2004, 07:57 PM   #10 of 11
Rutgar
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Wow Chip! Did you use enough wall studs? How far apart is your spacing? Must have cost a fortune. Looks good though.

- Rutgar
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Old 05-17-2004, 11:31 PM   #11 of 11
Chip_Slattery
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Quote:
Wow Chip! Did you use enough wall studs? How far apart is your spacing? Must have cost a fortune. Looks good though.


The staggered stud walls are built with the 2x4s 16"OC with an 8" offset. Basically what it amounts to is a stud wall 16"OC on the inside of the 2x6 sill plate and another stud wall 16"OC on the outside of the sill plate:



In the grand scheme of things it wasn't a whole lot more money (relatively speaking) and was on par with what it would have cost had I gone with 2x6 construction throughout.



Chip Slattery
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Fox Path Theater (under construction - updated 11/25/05)
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