Abstract: An enclosure gate assembly includes an extended surface flexible sheet material having a leading edge and a trailing edge, a columnar member having spaced apart ends and a longitudinal axis extending between the spaced apart ends, fastening means for attaching the trailing edge of the sheet material to the columnar member along the longitudinal axis thereof, a housing for enclosing and mounting the columnar member for rotation about the longitudinal axis of the columnar member, the housing including an elongate opening to allow serial travel of the sheet material therethrough, a spring mounted to the columnar member to normally maintain the sheet material rolled on the columnar member within the housing, and mounting means for positioning the longitudinal axis of the housing normal to a supporting surface.