The most compact versatile rail-less PV mounting system under the sun. Instead of placing solar panels on top of long rails, simply attach E Mount AIR to rafters or the roof decking. Once panels are fastened to the roof, the system array is electrically bonded. The result is a visually seamless PV installation that stands the test of time. - Truly "One With The Roof". - PE stamped cert. letters available, UL 2703 Classified, ASTM 2140 fully waterproof. The one and only with integrated flexible flashing certified by the ICC! All the best quality. Only from Roof Tech