Welcome to “Ask the Tree House Experts”

We plan to use this category to answer all Tree House Questions that you have. Please leave a comment here with your question or email to treetopbuilders@verizon.net. We will then respond publically to all relevant tree house, tree platform, or tree house accessory questions. We are experts in attaching things to trees, and so we probably won’t answer questions about general construction or trees unless we can answer the question in a way that would be interesting to other readers looking for tree house building information.

For Quick answers to common questions, please check out this tree house questions page. Otherwise, ask away and we will respond for everyone to read…

3 Responses to “Welcome to “Ask the Tree House Experts””

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  1. Katy says:

    Pretty good post. I just stumbled upon your blog and wanted to say
    that I’ve really enjoyed reading your blog posts. In any case
    I’ll be subscribing to your blog and I hope you write again soon!

  2. I am building a treehouse in a Bald Cypress tree. The trunk splits at about 8′ from the ground. At about twenty feet the two trunks are about six feet apart from each other and about 14″ in diameter each. I want to build a small, 5′x8′ treehouse between the trunks. I was thinking of running a 1″x8′ galvanized rod through both trunks instead of individual tabs, bolted at each end. A beam would be centered above this rod beside each truck creating two support beams. The beams would slide on the rod as the tree grew in girth. Each beam would have two braces angling back to their perspective trunks. These angled braces would fit into a bracket mounted on top of a tab at each trunk about six feet below the beam. The joists would be attached permanently to one beam and “float” on top of the other beam, through loose, upside down U shaped brackets that would allow movement but prevent uplift. Does this sound possible or ridiculous or somewhere in between?

    • thb98il1Tr3e says:

      Hello Richard,

      I’m going to have to go with somewhere in between on that one. I never recommend all thread for shear or bending loads. In trees, shear is more theoretical as all perched loads are bending loads. I advise making a sketch and sending it in, but it sounds like four of our 5/4″ lag bolts with 2 floating brackets and 2 fixed pipe brackets would do the trick. There isn’t much reason under normal circumstances to use TABs to support a 40 square foot platform, because while they are stronger, they do more damage to the tree. The trick is to use reasonably strong connections for the load, without overwhelming the tree.

      Cheers,
      -Dan

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