The only difference I can find is the colour of the backsheet, the choice of which depends on your summer/winter temperatures and how much roof insulation you have.
Solar panel discoloration is typically the result of long-term exposure to the elements, such as sunlight, rain, and dust. This issue may affect the aesthetic appearance of the panels, but it does not generally impact their functionality or efficiency.
The lower end of the clamp is installed on a color steel tile, and the upper end of the clamp is provided with a supporting surface and a fastening groove; the grounding sheet is placed on the supporting surface of the clamp; an accommodating cavity for clamping a.
The average cost for installing solar panels on a metal roof ranges from $15,000 to $25,000 for a typical residential system, with factors like system size, mounting method, and location significantly influencing the total investment.