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Old 11-03-2007, 01:32 PM   #1
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Join Date: Nov 2007
Posts: 4
Deflection rating

Hello everyone.
How can I find what the deflection rating would be on floor system with enginered joist ( TGI) 19 1/4" oc and 3/4" OSB on top. Is this suitable for tile or porcelain. Most houses in the Pacific Northwest are being built with this floor system.
Thanx Phil

Last edited by pdixon; 11-03-2007 at 01:45 PM. Reason: wrong word
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Old 11-03-2007, 01:52 PM   #2
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Location: SE Tennessee
Posts: 8,884
Hi Phil,

Here's a link from the liberry that might get you started: http://www.johnbridge.com/vbulletin/...ead.php?t=9355

Do you know who your I-joist manufacturer is?
Dan - a DIYer in SE Tennessee
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