Stage OSB Layers Should They go Sidewall to Sidewall? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 8 Old 05-08-2013, 02:09 PM - Thread Starter
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OK So I've built my stage framing, leaving an inch or so space from back wall and both side walls, with 1" Linacoustic RC in those spaces between stage frame and walls. Then filled stage cavities with sand. Thats where I am right now...

Now I'm putting on two 5/8" OSB layers (green glue between). Should this layer be spaced the same (1") from the back and side walls or should it span wall to wall?

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post #2 of 8 Old 05-08-2013, 02:18 PM
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post #3 of 8 Old 05-08-2013, 03:17 PM
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Leave 1/4" gap to allow for material expansion while still not touching the sides.
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post #4 of 8 Old 05-08-2013, 03:25 PM
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It shouldn't touch, but you don't need a full 1 inch gap. As TmcG said, a 1/4" gap will work just fine.

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post #5 of 8 Old 05-08-2013, 03:47 PM - Thread Starter
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thanks all
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post #6 of 8 Old 05-08-2013, 05:33 PM
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I carry scrap strips of 1/2 plywood and tack to the wall, I build the stage and pull them out
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post #7 of 8 Old 06-12-2013, 12:34 PM
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Big,

When you pull the spacers out do you replace it with anything or leave an air gap? I remember reading about using a fiberglass filler but not sure if that is needed.

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post #8 of 8 Old 06-12-2013, 04:47 PM
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