Elmdor 16''x20'' Dry Wall Access Door Door and Frameare fabricated from 16 gage, galvannealed steel with a prime coat finish. Frameis one piece construction, 1" wide and provides perfect concealment of the rough wall opening. Wall frame is provided with 1/4" mounting holes for fastening within the furred spaces allowing faster installation and fixing maximum clearance. Concealed Pivoting Rod Hingeprevents distortion and closes door squarely. Doors 24" or larger are provided with a continuous piano hinge. Latchis screwdriver operated. Finishis a prime coat suitable for painting.