Observe the technical constrains of the assembly instructions! The carrying capacity of the roof covering and substructure must be checked statically by the installer. For roof leaks is no warrenty. The blind riverts 4,8x15 or the self drilling screws 5.5x25 are for steel trapezoidal sheet thickness or aluminum trapezoidal sheet thickness of 0.5 ... 1.5 mm suitable.
2 blind rivets 4,8x15 6908300003 or 2 self drilling screws 5.5x25 6900600011 are needed per part.