EZ NP-72-200 Non-Penetrating Roof Mount with 2" x 72" Mast w/ROHN Roof Mat EASY UP NON-PENETRATING ROOF MOUNT FOR SATELLITE DISHES, WIRELESS INTERNET ANTENNAS, ETC ROHN FRMMAT: 1/8" THICK x 42" x 36" ROOF MAT TO PROTECT ROOF FROM FRAME RAILS STEEL CONSTRUCTION. 35" X 28" BASE FEATURES 2" X 72" X 18 GAUGE GALVANIZED MAST USES STANDARD CONCRETE BLOCKS TO ANCHOR