The invention relates to a stable floor, comprising: - At least a first and a second spaced apart attached elongated bottom part, between the bottom parts a gap for discharging of livestock is allowed； - A mounted in the gap folding device for closing of this gap, wherein the folding device comprises an elongate strip which is mounted with the longitudinal direction parallel to the bottom parts at the top side of the first base part and rests with the underside on the second bottom portion for sealing the gap, wherein the strip the folding device comprises a located longitudinally parallel at the top extending hinge region.
