If your design calls for a flat roof try to introduce even a small slope of 3 5 so water cannot sit there.
How to roof a treehouse.
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.
String a bungee cord between the two hooks and slip a tarp overhead.
A properly sloped or pitched roof is much superior.
Which would put the center of our roof right at 7 feet.
How to level a treehouse floor.
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.
For our hideaway we went simple and used a 6 12 pitch.
I used shingles cut in half to seal around the tree and shingled the rest of the roof like normal.
Add a simple roof to your treehouse.
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.
I have worked with tar and gravel shingles before but never wood.
You should never use a flat roof for a treehouse.
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.
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.
In other words our roof rises 6 inches for every 12 inches of run.
This roof is made from a simple tarp although you can also get more elaborate in designing and constructing your roof.
Roof pitch can be a bit confusing but i will tell you how we did it and please know that you can modify to what suits your treehouse best.