Wood doors with pre-installed glass can increase jobsite efficiency and minimize the chances for error by bypassing the need for jobsite glazing. Graham Wood Doors' architectural flush wood doors with factory-installed glazing provide a range of options for decorative and life-safety applications. All doors boast ratings that comply with building codes for fire and safety, saving the time and expense of hiring specially trained installers. Factory-Installed Glass by Graham Wood Doors. Circle 211.