A properly sloped or pitched roof is much superior.
How to roof a treehouse.
I have worked with tar and gravel shingles before but never wood.
Allow a two inch gap around the tree if it passes through the floor and a three inch gap if it passes through the roof see photo.
You should never use a flat roof for a treehouse.
This roof is made from a simple tarp although you can also get more elaborate in designing and constructing your roof.
Which would put the center of our roof right at 7 feet.
To keep a large tree house stable center the load over the trunk and spread the weight among several branches.
Building the roof was one of the most challenging parts of this treehouse build.
Drive one hook into both trunks about 8 feet 2 4 m above the bottom of the platform.
For our hideaway we went simple and used a 6 12 pitch.
How to level a treehouse floor.
If your design calls for a flat roof try to introduce even a small slope of 3 5 so water cannot sit there.
The first decision we made when it came to the roof was how tall you want your treehouse.
This was quite challenging because i had to figure out how to properly attach them as well as work from a high and dangerous height.
Add a simple roof to your treehouse.
String a bungee cord between the two hooks and slip a tarp overhead.
Remember our walls are at 5 feet so we have a 2 rise a 6 12 pitch will give us a 26 5 degree slope on our roof.
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.
I used shingles cut in half to seal around the tree and shingled the rest of the roof like normal.