With a little inventiveness and creativity it is possible to install the Sun Ballast also on surfaces where there are tiles, such as the excellent work realized by SIE Engineering which, by choosing a ballast with 0 ° inclination, managed to install a system of 46.64 kWp power on a slightly sloping roof.
The Sun Ballast structures do not require holes in the roof so it is sufficient to lay them and fix the panels above in the holes already present on the ballast