Once the joists and posts are secured, install the treehouse floor by screwing 2x pressure-treated lumber across the joists. I used alternating 2 x 4s and 2 x 6s to create an interesting look.

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It’s always good to plan before you build anything. For a treehouse, find out whether it’s covered under your home insurance. (iStock) ...

There is a method behind the magic of a backyard tree house – and while it is not all fun and games, the construction process can be a participatory educational experience for children as well ...

Unlike plans for a playhouse, those for a tree house are not feasible because no two trees are alike. Building a tree house is one of those design-and-build-as-you-go projects.