Non-penetrating roof mount designed for satellite dishes, antennas, weather stations, and more. This mount relies on standard concrete blocks to hold it firmly in place on the roof. Built from clear-coated zinc steel for lasting durability. The base measures 35" x 28" and includes a 1.25" x 60" 18-gauge clear-coat zinc-coated mast. Professional installation is always advised to determine ballast needs and evaluate roof integrity. Made in the USA