2x10 Joists - Framing - Contractor Talk

2x10 Joists

 
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Old 05-09-2009, 07:55 AM   #1
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2x10 Joists


What is the max span allowable for a 2x10 set @ 16" o.c.?

I need to add a room upstairs and the joists will be 16'. I dont have an updated code book. I could even install the 2x10's 12" o.c. if need be. I just dont want to have to use 2x12's because the roof lines will not line up then with the additional 2".
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Old 05-09-2009, 07:58 AM   #2
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Re: 2x10 Joists


Here you go, the credit for this site goes to Mac, G

http://www.awc.org/calculators/span/...rcalcstyle.asp

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Old 05-09-2009, 08:52 AM   #3
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Re: 2x10 Joists


When I click on that link, my browser window keeps restoring down. Anyone else getting this also? Even when I hit a drop down arrow, same thing.

Nice find though.
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Old 05-09-2009, 09:02 AM   #4
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Re: 2x10 Joists


The simple answer is yes a 2x10 @ 16" oc will work but then...
what is the wood species and what is the grade?
A # 1 or # 2 Southern Pine or Doug Fir will work but some other species don't. That is from the MI building code so check VA code but for planning purposes it would work. Check TJI pricing and sizing too.
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Old 05-09-2009, 09:03 AM   #5
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Re: 2x10 Joists


framerman - it's working ok with firefox
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Old 05-09-2009, 09:23 AM   #6
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Re: 2x10 Joists


That is maximum allowable.
They won't fail, but even with
double bridging, they will be bouncy,
and they will sag.
I don't like to go over 14'
with YP 2X10.
Just my take.
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Old 05-09-2009, 09:35 AM   #7
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Re: 2x10 Joists


Quote:
Originally Posted by Bill View Post
What is the max span allowable for a 2x10 set @ 16" o.c.?

I need to add a room upstairs and the joists will be 16'. I dont have an updated code book. I could even install the 2x10's 12" o.c. if need be. I just dont want to have to use 2x12's because the roof lines will not line up then with the additional 2".
2x10 Doug fir can span 16' no problem with bouncing or sagging. That's all we use around here. As mentioned different species might not span 16'.

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