Since they are made exclusively of concrete, there are also significantly fewer difficulties in procuring raw materials. The manufacturer also promises advantages in the system structure: when installing a photovoltaic system, the excessive weight on the roof can be a problem. However, thanks to three interconnected beams, the weight is distributed very evenly.
See also: Size Matters – also for PV roof systems
This creates an extremely wind-resistant panel grid. To certify wind resistance, all Sun Ballast systems have been subjected to verification tests and laboratory tests. According to the manufacturer, these have confirmed resistance to directional winds of over 150 kilometres per hour.
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The available inclinations range from zero to 35 degrees. At a five-degree incline, up to six consecutive rows can be installed, while at an eleven-degree incline, up to three rows are possible. (nhp)