Are DualSun panels compatible with the Schletter SingleFix V/HU mounting system?

Yes, DualSun FLASH and SPRING panels are compatible with SingleFix V/HU mounting system from Schletter: 

• Roof type: Metal sheet and sandwich panel
• Possible layouts:
  Portrait with SingleFix-V reference, Ecolight and Vario profile
  Landscape with SingleFix-HU reference

You can also consult the SingleFix V/HU mounting system documents available on the Schletter website.

To view the compatibility of DualSun SPRING and FLASH panels with in-roof mounting systems: SPRING compatible mounting systems – Super-imposition

For more details about the installation of DualSun panels on roofs : What mounting systems can be used to install DualSun Spring panels on roofs?