Are DualSun panels compatible with the K2 SingleRail and SolidRail mounting systems?

YES, and this compatibility has been attested by an independent Control Office which has issued a New Technology Investigation (NTI) to confirm it. 

The DualSun FLASH and SPRING panels are therefore compatible with the SingleRail - SolidRail system from K2 Systems : 

• Roof types: Tiles, slates, fiber cement, trapezoidal sheet, sandwich panel, standing seam, corrugated sheet.
• Certification for tile, slate and fiber cement roofs: DualSun SPRING and FLASH panels are integrated in ETN L18.03577
• Possible layouts: Portrait and Landscape

You can also consult the documents available on the K2 Systems website for the SingleRail et SolidRail systems.

For more details about the installation of DualSun panels on the roof :

What mounting systems can be used to install DualSun Spring panels on roofs? 

To consult the compatibility of DualSun Spring and Flash panels with over-imposition installation systems: Compatible mounting systems – Super-imposition