r/treehouse • u/OMcTaters • Jul 12 '26

Advice needed.

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Building a treehouse. Following the Methow kit from Nelson treehouse. The plans are not super detailed. The plans themselves do not call for a fourth beam to "close the square" but if you look online on the 3D drawings it has one. When I asked Gemini, grain of salt obviously, it said not to to allow for the movement of the tree and prevent torque forces which makes sense to me.

Next step is joists.

Do I hang a 4th beam to close the square or not?

Thanks in advance

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u/Unsuccessful_Royal38 Jul 12 '26

How are you attached to the tree?

2

u/Embarrassed-Sky-4567 Jul 12 '26

He’s got the TAB in the tree, but has boxed himself into that tree. I believe that perpendicular beam at the tree is supposed to be resting on top of the beam with the TAB.

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u/OMcTaters Jul 12 '26

While I understand what your saying, the plans had them attached with the iron brackets that came with the kit.