The roof s primary role is of protection and so it is a good place to get right.
Treehouse roof around tree.
To accommodate tree movement and growth allow gaps around any branches or trunks that penetrate the tree house.
If you are building a tree house you can frame a roof for it on your own.
Tree house around the trunk diy treehouse start by putting up two 8 foot long ledger boards on either side of the tree.
Try to to drill the pilot holes as straight and level as possible.
These two boards will serve as a support beam for the rest of the structure.
Follow the simple steps below to frame your own tree house roof.
Leave gaps around the tree.
A flat roof is the easiest to install and when built correctly is easy to maintain.
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Don t restrict tree growth.
It was almost something out of a beatrix potter book.
Next install the perimeter beams to the top set o beams and square them up using the 3 4 5 rule.
It had a gravity fed cistern from rain water for a water system and a wood stove.
Don t constrict branches with rope straps or wire.
The roof will extend the life of the tree house and is just as important as the rest of the framing.
Use extra long large bolts.
An extension cable from a pole mounted outlet provided power.
The top set of beams will be the floor height of your treehouse.
If your design calls for a flat roof try to introduce even a small slope of 3 5 so water cannot sit there.
The down side as you point out is that it is nearly impossible to seal the water from entering through these exit points.
Add spacers between the beams and the tree to allow movement.
Once the frame is square install your floor joist.
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.
You should never use a flat roof for a treehouse.
Lag two sets of beams to the tree using a 3 4 diameter x 10 lag screw.
A properly sloped or pitched roof is much superior.
Be sure the tree is at least 12 inches in diameter.