For the flat roof solar system installation, ballast solar structure is always very popular in the market. For example Sunforson FR02 solar ballast mount, it is very suitable for small solar panels like 1650*992 or 1960*992. The triangular mounts installed in the mid of two panels.
Because the panel size is become much bigger, but the panel frame is become much thinner. A few clients feedback, when install triangular mount like FR02, the mid of solar panels looks to be bent. So Sunforson team develop the FR03H as market demands.
Kindly find the FR03H structure as below, there are two triangular mounts installed under one panel. It solves the bent trouble when install large panel like 2200*1100*35mm. But it will cost more triangular mounts. For example, when 4 panels in a row, it will only need 5 triangular mounts in FR02. But it will need 8 triangular mounts in FR03H. However, to save cost, the triangular mount of FR03H is designed be narrow than it of FR02.
Finally in a word, the FR02 ballast mount is suitable for small solar panel installation, the FR03H ballast mount is suitable for large solar panel installation. For more details, welcome to contact Sunforson team at info@sunforson.com. There's always a suitable stand for your system.