Railings are a type of specialty trade contracting that involves the installation, repair, and maintenance of railings in various settings. Railings are typically used for safety purposes, to prevent falls and provide support for individuals walking up or down stairs, ramps, or other elevated surfaces. Railings can be made from a variety of materials, including wood, metal, glass, and composite materials, and can be customized to fit the specific needs of a particular project. Railings are commonly found in residential, commercial, and industrial settings, and are often required by building codes and safety regulations.