Landpower EAST/West Ballasted Roof Solar Mounting System is specifically engineered for non-penetration roofs, which secures the array without damaging the flat roof. It is compatible with both framed photovoltaic modules and unframed thin film modules. This economical system requires no roof penetration and made from lightweight and strong aluminum construction and come with pre-assembled components, they are just require few tools, it is quick and easy to install.TECHNICAL INFORMATIONInstall site ：Flat RoofTilt Angle ： 5-10degModule Orientation: LandscapeBuilding Height：