seems like alot of wood to me. i just have real simple, two 2x4s underneath the pipes, and drill holes in the side of the pvc so it doesnt effect sliding and then pwer drill some screws straigh through to the wood, then two 2x4 beems extending down from the 2x4s supporting the frame and a couple palnks perpendicular for sideways support. cheap light solid, mines survived 3 years