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Old 12-17-2012, 12:10 AM   #1
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subfloor for raised platform


hello,
I'm building a raised platform for a seating area in my theater room. I have some 0.48" thick OSB, is that sufficient for the floor or do I need 3/4" OSB for the floor?

Thanks.
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Old 12-17-2012, 12:37 AM   #2
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It looks like you have your 'joists' 12" OC.....I think your going to find it a big spungy.....

Personally....I would use 3/4" T&G plywood...not OSB.
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Old 12-17-2012, 01:13 AM   #3
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I have the floor joists 16" on center. when I walk on this floor, it feels fine but I'm not that big. I will feel comfortable using 3/4".
Thanks for the advise.

Last edited by kimbhoot; 12-17-2012 at 01:15 AM.
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Old 12-17-2012, 08:43 AM   #4
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Going to have to make sure that clean out is still accessable that in that wall.
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Old 12-17-2012, 05:33 PM   #5
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Quote:
Originally Posted by joecaption View Post
Going to have to make sure that clean out is still accessable that in that wall.

Good point. will make sure that's the case.
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