With a Roof Mounted Adjustable Basketball System, you can simply install it on your garage or even the most practical wall. Installing this type of adjustable basketball goal can be challenging, but it's a lot easier than digging up a four foot hole and mixing up hundreds of bags of concrete. Roof mounts are versatile enough to mount to any roof pitch or vertical wall surface.  Yes, they are adjustable and use a long extension arm, hand-crank unit that can typically adjust them from 10' to 6'.