Add joists on 16 inch centers and build the floor with deck boards or 3 4 inch plywood.
How to build a treehouse roof around a tree.
I used shingles cut in half to seal around the tree and shingled the rest of the roof like normal.
To build a simple and safe treehouse start by choosing a healthy sturdy tree that can support your planned structure.
Find a section where the trunk separates into a v shape and build your platform in this area with 4 points anchoring the base to the tree.
Put the load over the base of the tree not on one side.
If your design calls for a flat roof try to introduce even a small slope of 3 5.
I have seen a treehouse built in four cedars designed this way and it works remarkably well however it is not practical for most applications.
Minimizing tree damage for diy treehouse.
I read around a lot first of course.
The ideal roof is impervious to water but also needs to rapidly shed water so there is no chance of pools or damp patches building up.
The build took about six months start to fin.
This is a tree house that my friend aza and i built for a customer shortly after i built my original tree house.
For heavy tree houses consider spreading the weight among several trees.
You should never use a flat roof for a treehouse.
Rails sides and a roof complete the treehouse.
The first photo is of my plan which was sketched on a cereal box.
Measure the tree at the desired height so you can decide on the right size for your platform.
Once your treehouse plans have been mapped start by installing the supports using 2 x 12 cuts of wood decking board.
Ours was approximately 4 inches off each side.
A tree house will act like a sail in strong winds adding a large load to the tree s roots.
Build the diy treehouse in mid summer.
The second solution is to build a wall vapor barrier around the trunk on the inside of the treehouse.
When you go to cut the angle you want to make sure you re keeping your longest side at 46 inches.
Use exterior bolts to make sure they are heavily bolted in to the tree on all sides.
The heavy spring flow of sap will have slowed greatly but the tree will still have time to heal before winter.
In high wind areas build your tree house in the lower third of the tree.
The first is a bit dramatic.
Top off the tree just below the roof line and build a solid roof above.
When your rafters are all on lay down the plywood for the roof an leave a good 2 and 1 2 space around the tree so it can sway in the wind without hitting the roof.
When building on one main trunk level the main.