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.

Setting up a treehouse is a win-win idea. Your children will happily spend time away from technology for once, and you’ll ...

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