watertight sub-roofs for low-slope roofs

What options are available when planning a tiled roof if the standard roof pitch has to be undershot?

Roof tiles on low-sloping roof surfaces? Is that possible?

In combination with a waterproof sub-roof, it is possible to undercut the standard roof pitch of roof tiles or roofing stones. Modern, high-division open underlays are the gold standard here and the means of choice for modern roof constructions.