Adjustable Flat Roof Concrete Structures Roof Solar PV Mounting System Solar Racking System Solar Racking BracketsIntroductionWith flat roof photovoltaic project, this flat roof ballast PV mounting system is the most economical and practical solution for the case that the deadlines tight, no enough time to produce concrete and not wanting to destroy the roof due to worry of leaking. All structural parts are made of aluminum and the system has features of good corrosion resistance, great stability, easy to install and environmentally friend and recyclable.