The mounting bracket accepts a horizontal (roof), vertical (wall) or pole mounting. The panel bracket bolts to the panel using 5/16” hardware for BP modules and 1/4” hardware for all other modules. The panel should be placed tight against the tapered end of the panel bracket. Some modules will not span the entire bracket length. The panel bracket bolts to the mounting bracket using 5/16” hardware.  When mounting to flat surfaces bolts or lag screws should be used (not included). Pole mounting can be accomplished using U-bolts with retaining clamps or with hose clamps (not included).