Step 1: Installing the Beams

Lag two sets of beams to the tree using a 3/4 diameter x 10" lag screw. The top set of beams will be the floor height of your treehouse. Try to to drill the pilot holes as straight and level as possible. Next install the perimeter beams to the top set o beams and square them up using the 3,4,5 rule. Once the frame is square install your floor joist.
Knee braces for the corners.
More pictures to follow. Such an awesome treehouse plan.
<p>This is fantastic. Would you be able to describe how you attached the knee braces to the corners of the inside corners of the platform? That would be a huge help.</p><p>Thanks!</p>
I'm in the middle of building a treehouse with this as the base for my blueprint. Here is the key piece for the brace. I put one 2x6 on the slot with two more on either side for added structural support. I'm not a doctor but so far so good. <br><br>https://www.menards.com/main/tools-hardware/fasteners-fastener-accessories/structural-connectors-reinforcements/structural-hold-downs/hold-downs/usp-structural-connectors-2-1-2-x-9-3-8-holdown/p-1444445531014-c-8852.htm?tid=-6496288680977047586
<p>I have exactly the same question in addition to where do I find the knee brace hold down brackets? The kind that will bolt to the tree and will hold two 2x8's together. Thanks.</p>
<p>This is Great!</p><p>One question: what are the sizes of the wood used for the railing? (both vertical posts and horizontal long beams)?</p><p>Thanks!</p>
<p>This is a great Instructable I hope to be able to build one for a nephew someday. I know this treehouse has been posted for awhile but I was wondering how those smaller steps were working out? This is a &quot;clubhouse&quot; my dad build with me and friends over a summer in the middle eighties. He decided to use smaller step spacing forthe kids and all I can ever remember was falling both up and down the steps because even as kids we were used to normal steps in the house. (and everywhere else too) This picture is the only surviving one I could find, My family wasn't very good at taking tons of pics back then.</p>
First off... Fantastic work!<br><br>I'm curious what the dimensions (thickness/width/length) are of the lumber you used, specifically for the beams and the platform. We'd like to build an exact replica of your treehouse as it seems to be an ideal size.<br><br>Thank you for sharing!
<p>I absolutely love tree houses! Whether it is real solid wood in real life, or virtual wood in a game. If I ever get a tree big/strong enough to build a tree house such as this, I would! Thanks for the tutorial!</p><p>http://www.markslandscape.com.au/</p>
Thanks for all the feedback and compliments.
It looks incredible, great job!
Niiiiiiiiiiiiiiiiiiiiiiiiiice !!!&hellip; <br> <br>You make me want to live on a tree !&hellip; <br> <br>Thanks for posting.
Amazing job.
I've been wanting a treehouse for a long time really cool thanks for sharing
@ratmax @stefwill<br/>You could always use an old utility pole. It would be easier to work on for one thing. :-)
Fantastic! Now all I need is a tree!
That is awesome!
Best work I've seen.
Good job
Nice work! Now to get the skimpy trees outside to grow faster so I can build one.
@thawk<br/>Thank you. I got the brackets at a lumber and building supply store called Stock Lumber. I had to shave off about a 1/4 of an inch on each side of the knee brace to get it to fit and I mounted them with galvanized washers to get them straight up and down and a 4" long 3/4 lag screw.
@bloomie972 love the tree house.. I'm in the middle of building one my self. i was wanting to know where did you get your knee brace brackets?
That is the coolest treehouse ever<br/>Best first instructable
@dr.mbogo<br/>I understand where you are coming from. But there is no sheer strength in lashing. In other words, you could make your lashing as tight as possible but with all the weight of a treehouse, let alone people in it, how are you going to keep it from sliding down the tree? Believe me, when your kids and all their cousins and friends are up there, you want to know that you built the treehouse as solid and sturdy as possible. The tree will heal around the lag screws and this won't hinder the growth of the tree if done properly. If I knew this was going to damage the tree I would not have built it. This tree makes our backyard and provides invaluable shade as well.
Looks like I have some problems replying to comments. Well, never mind that. <br> <br>Rope is good. Rope of natural materials is better. Anything that has some give in it and does not puncture the tree. I would even go so far as to put some padding between the tree and the frame, something like a piece of carpet or thick piece of leather to keep the bark from rubbing off. <br> <br>My point about trees being living things is that driving a nail into a tree is about the same as stabbing people, lashing with a steel wire would be analogous to strangling.
Cool :-)
Please lash the treehouse onto the tree. Using nails or screws is something trees do not like, they are living things, after all.
How do you lash it? Rope?
That is one epic treehouse!

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