There are five different roof design variants to choose from:
CONCEPT-ROOM-DA-BARREL
the barrel roof design
CONCEPT-ROOM-DA-CROSS
the cross-vault roof shape
CONCEPT-ROOM-DA-FLAT
the simple flat roof shape
CONCEPT-ROOM-DA-DOM + FLAT
the combination of flat roof and dome
Substrate preparation possible, e.g. for the screwed connection of shower heads or suspensions