Greenhouse has wide ship-like roof tiles (6a) statically stabilized using integrated lattice rails (2) . That part (1a) of the bearing frame (1) situated above the level of the guttering (8) is outside the covering surface and the remaining part (1b) of the bearing frame is inside the covering surface. The bearing frame is situated along an oblique axis (a) to the greenhouse, and can also be situated along the lengthwise axis of the greenhouse.