I have created a playhouse deck that is 8'x 8' and 5' off the ground. It is supported by 10' 4x4s on all four corners. I want to place a 12' beam across the top of two of 4x4s in order to place a ...
We have a cottonwood tree in our back yard with a treehouse in it, I have one vertical climbing wall on one side, but we're thinking of putting an inverted wall on the other. The tree is one large ...