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Old 07-02-2011, 12:03 AM   #1
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I am building a 12 x 16 deck between two houses. What I am reading if I understand it right on figuring joists and spans is if you use a 2 x 10 you can span 16.1 feet from ledger board to post on a footer for 40psf live load and 10psf dead load. Would it be the same if I were going from ledger board to ledger board or is that too much pull on the ledger boards.

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Old 07-02-2011, 06:43 AM   #2
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If you're spanning 16 feet between 2 houses, I would pour footings and put a support beam mid span.

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Old 07-02-2011, 08:05 AM   #3
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Yeah...max on a 2x10 is 15'10". IMHO that length span would be way too bouncy and I dont think you'd be happy with the result.

Do as Ron suggests.
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Old 07-02-2011, 08:11 AM   #4
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If done as Ron states it will cheaper to build because of the change in joist size.
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Old 07-02-2011, 04:06 PM   #5
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Ron has the solution. Again....

Help on the other questions, ledger attachment, footing size, etc.: http://www.awc.org/Publications/DCA/DCA6/DCA6-09.pdf
Some species only span 13'+, read the chart included.

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