Non-penetrating roof mount designed for satellite dishes, antennas, weather stations, and more. This mount relies on standard concrete blocks to secure it to the roof. Built from clear-coated zinc steel. 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 assess ballast, roof integrity, and other factors. Made in the USA