Tree Fort

[Victor]

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

[Artemus]

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

[dpb]

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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[Limp Arbor]

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

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

[StephenM]

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

10' calls for 2x8s. 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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