The fiber batt reclaiming method and apparatus separates the fiber batt portion of surplus or defective fiberglass insulation from the paper backing material attached to the fiber batt. As the insulation is fed to a perforated roller, a vacuum means draws the backing material to the roller so that the backing material adheres to the roller. As the roller rotates the fiber batt portion of the insulation is separated from the backing material by a separation tool. In accordance with various embodiments of the apparatus, the separation tool may be an elongated knife, a pressurized air bar, a circular saw bar, or an elongated wire brush.