One beam or two

Old 04-16-02, 01:14 PM
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One beam or two

I've been hearing that even though my plan for a 14' joist span using 2X10 joist 12' O.C. (diagonal decking) and one double 2X12 beam 14' from the house is within code, there will still be some anoying bounce. The alternative is to put two beams, on at 7 and one at 14. This would alow be to downsize the joists to 2X8 and the beam to 2X10. The downside is since this deck will be 26' long, I wiil need five posts per beam. This will now require TEN footings that in my area need to be 42' deep. Is the extra footing and beam work woth it???
Old 04-16-02, 04:50 PM
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I'm of the opinion that the more posts the better. The cost is relatively cheap and they're easy to do while the work area is wide open.

I just dug 39 holes for my swimming pool and surrounding deck, so 10 sounds like a walk in the park.
Old 04-16-02, 07:08 PM
Join Date: Mar 2000
Location: Arlington, WA
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How large (diameter) are these holes going to be? If 8" or less, rent a post hole digger. If larger than 8", hire them done, assuming that you have access to the area with a Jeep, small tractor, pickup, etc.

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