Designed specifically for installation in drywall walls & ceilings after the drywall has been installed. The door flange is perforated as taping bead, with pre-punched holes. The door panel is formed with flanges on four sides, to operate freely with no binding, sagging, or distortion. 2 Latches. White Finish. 26-4/7″W x 26-4/7″H Outside Flange Dimensions. 24-1/8″W x 24-1/8″D x 1-7/8″H Return Flange Dimensions.