A ceiling system which includes support beams, elongated covers that at least partially cove the support beams, and baffles which attach to the support beams. The support beams may have a vertical web portion, a flange portion at a top end of the vertical web portion, and bulb portion at a bottom end of the vertical web portion. The elongated may have a cover body and a cover slot in a top surface of the cover body. The elongated covers may be mounted to the support beams so that the bulb portions of the support beams are located within the cover slots of the elongated covers. The baffles may extend between and be mounted to adjacent ones of the plurality of support beams so that the baffles extends into notches of the elongated covers and the bulb portions of the support beams are located within slots of the baffle.