FAQ#7 Does a treehouse hurt the tree? Ideally not or just a little. A few big screws, well placed, are better than many little screws or nails. Why? Because every wound is a possible entry point for fungi or decay. For bigger constructions better ask an expert to make sure the tree and at the end also your treehouse won’t suffer. The tree grows – is it a threat to the treehouse? If you left enough space between the construction and the tree, the tree will be able to gain in thickness for years to come without compromising your treehouses safety. Especially at suddenly strongly loaded places like for example screws, the tree will grow faster than at other places to compensate for the added load. If it’s too late already and the tree is jeopardizing your construction, you can..