Quickly and easily convert plain stock doors into custom entrances with door modification parts from C.R. Laurence. Add a vision lite for light permeation and safety when installing a fire rated vision lite door or adding fire door modifications. Let the air flow with a louver door featuring one of our louver vents available in many standard sizes. Update existing doors to meet current requirements with a door bottom rail adaptor, or extend the life of new and existing doors with our door kick plates.