treehouse

Hi there. I am building a treehouse. It will be fixed to two joists that will sit either side of a tree. I plan to tighten the two joists toward each other, either side of the tree, but am unsure what bolts / fixings are best to use. The tree is at least 450mm / 18 inches wide, then each joist...

Hey, basically I am looking a treehouse but I'm not too keen on putting up a permanent structure. I have been watching some videos and thinking how I could still do it and I have an idea of what I would like but my knowledge on DIY is zero so I don't what to kill my self lol. I was thinking of...