The RT-936 provides added height and extra heavy-duty construction for larger antennas and wind loads. It is the perfect low cost tower solution for start-up stations, wireless internet, omni-directional antennas, wind generators, AMSAT antennas, and other antennas. All towers are made of rugged 6061-T6 angle aluminum with stainless steel hardware, so they never need painting or maintenance. The top plate accommodates a thrust bearing, and each has mounting holes for most rotators. The assembly plans for each tower include information for simple roof mounting or ground mounting with available accessories. No guying required Includes four brackets for rooftop mounting MC-10 Mast Clamps required for non-rotating installations LB-3755 bolts required to mount tower to roof EL-3744 L-Bolts required for concrete mounting Don't forget lightning protection for your building

RT-936 Roof Mount Specifications: Height 9 ft. Top to Rotor 43.75" Base Width 36" Wind Load @ 87 mph 18 sq. feet Max Antenna Load 130 lbs. Shipping Weight 54 lbs.