These doors are Fire Rated by Underwriters Laboratories Inc., for 1-1/2 hours, B Label, and meet ANSI-UL 10B standard. For access to commercial or residential plumbing, electrical wires or cable elements the Elmdor FR24X24PC-CL will conceal the clutter while providing a safe means of access to important components of the building or home. Installation is quick and simple. With its 15/16 in. finish frame you can conceal the rough opening in your wall to provide a finished look. They can be painted or wallpapered to match any decor for a pleasing look. With the cylinder lock and key your items are kept secure and away from vandals. Dimensions: H 13.63 in, W 13.63 in, D 2.50 inDoor is for wall installation onlyIdeal for use in new construction or remodeling projects in masonry, tile, wood or other wall surfacesDoors are prime coated, suitable for painting or wall papering and are fabricated from durable 16-Gauge galvannealed steelPrime coated means no added prep work prior to paintingDoor has a heavy duty spring closer to assure positive latching when panel closesConcealed pivoting rod hinge allows for smooth operationRounded safety corners provide a more fluid appearance as well as ease of use1 lock and key are provided for protected use