Tree Fort

Jul 08, 2008 4 Replies
V

Am planning to build a tree fort for the grand kids in the shape of a triangle. Side A will be 11' long, side B 10' long and side C about



14' long. Want to use 2 x 10 for these three sides with 2 x 6 on 16" centers running between side A and C and plywood on top as the floor. All this will be about 5' off the ground. Are the 2 x10's and 2x6's adequate or does anything have to be doubled up? Thanks.

Vic


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A

The center may be a little bouncy, but that just adds to the fun. Art

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D

Artemus wrote: [...top posting repaired...]

If could arrange to run intermediates other direction would be somewhat stiffer.

Any intermediate support(s)?

How big/many grandkids (plus neighboring, etc.?) will be likely at any given time?

It'll hold quite a lot, be sure to use adequate connection details, of course.

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L

Why not see for yourself. Using the defaults with southern yellow,

10' calls for 2x8s.
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would suggest you consider something other than plywood for the floor. Even PT plywood will come apart espescially if you live where it snows.
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S

Why not see for yourself. Using the defaults with southern yellow,

10' calls for 2x8s.
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defaults include 40 lbs/sf live load... (around here that's the requirement for a 1st floor residence) That's a bit conservative for a tree house. 30 lbs/sf is called for in the second story... a better match but still probably conservative for a tree house. At 30, a 2x6 works.

-Steve

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