Non-Penetrating roof mount provides a 16ft x 16ft tray and mounting plate, to hold a 4.5 meter #D45FAE satellite antenna on a flat roof surface, includes trays and plate to bolt the antenna' kingpost mount onto, with rubber roof pads to protect roof surface ¥ Customer must consult with structural engineer to determine the correct mount for their requirments. Must be installed on Flat-level surface only ¥"DAWNco shall not under any circumstances be liable for any claims or damages including direct, special, indirect, or consequential damages for any reason. ¥ Non-penetrating roof mounts (NPRM) are special order and non-returnable."