18" x 18" Dry Wall Access Door Doors are ideally suited for new installations or for remodeling, in masonry, tile, wood or other wall and ceiling surfaces. Door features rounded safety corners. Door and Frame are fabricated from 16 gage, galvannealed steel with a prime coat finish. Frame is 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 Hinge prevents distortion and closes door squarely. Doors 24" or larger are provided with a continuous piano hinge. Latch is screwdriver operated. Finish is a prime coat suitable for painting.