Search Results for G ga Gauge gable The portion of the end of a building that extends from the eaves to the peak or ridge of the roof. gable roof A ridged roof having one or two gabled ends. galvanic corrosive The electrochemical action that occurs as a result of the contact of dissimilar metals in the presence of an electrolyte. galvanize The process of protectively coating iron or steel with zinc, either by immersion or electroplating (electrogalvanizing). gang form Prefabricated form panels connected together to produce large reusable units. Gang forms are usually lifted by crane or rolled to the next location. garrison house A style of house whose second story overhangs the face of the first story on one or more walls. gauge (gage) (1) The numerically designated thickness of sheet metal. (2) The designated diameter of a screw or wire, or the thickness of the wall of tubing. GC General contractor general contractor For an inclusive construction project, the primary contractor who oversees and is responsible for all the work performed on the site, and to whom any subcontractors on the same job are responsible. GFCI Ground-fault circuit-interrupter girder A large principal beam of steel, reinforced concrete, wood, or a combination of these, used to support other structural members at isolated points along its length. girt (girth) A horizontal member used as a stiffener between studs, columns, or posts at intermediate level. glaze To install glass panes in a window, door, or another part of a structure by applying putty or other material to hold the glass in place. glaze coat The smooth top layer of asphalt in built-up roofing. glazing Fixing glass in an opening. glue laminated (glu-lam) The result of a process in which individual pieces of lumber or veneer are bonded together with adhesives to make a single piece in which the grain of all the constituent pieces is parallel. glued floor system A method of floor construction in which a plywood underlayment or other structural panel is both glued and nailed to the floor joists. This creates a stronger, stiffer floor less prone to squeaking than floors fastened only with nails. grade beam A horizontal end-supported (as opposed to ground-supported) load-bearing foundation member that supports an exterior wall of a superstructure. gradient The change in elevation of a surface, road, or pipe usually expressed in a percentage or in degrees. grease interceptor (grease trap) A device installed between the kitchen drain and the building sewer to trap and retain fats and grease from kitchen waste lines. green lumber Undried, unseasoned lumber. groove joint A joint formed by the intentional creation of a groove in the surface of a wall, pavement, or floor slab for the purpose of controlling the direction of random cracking. ground The conducting connection between electrical equipment or an electrical circuit and the earth. ground bus An electrical bus to which individual equipment grounds are connected and which itself is grounded at one or more points. ground wire An electrical conductor leading directly or indirectly to the earth. ground-fault circuit-interrupter An electrical outlet fitted with code-required safety protection. grounded Descriptive of an object that is electrically connected to the earth or to another conducting body that is connected to the earth. grounding outlet An electrical outlet whose polarity-type receptacle includes both the current-carrying contacts and a grounded contact that accepts as equipment-grounding conductor. grout A hydrous mortar whose consistency allows it to be placed or pumped into small joints or cavities, as between pieces of ceramic clay, slate, and floor tile. grouted masonry Hollow masonry units with some or all of the cells filled with grout. guaranty bond A type of bond which is given to secure payment and performance. gunite Concrete mixed with water at the nozzle end of a hose through which it has been pumped under pressure. Gunite is applied or placed pneumatically, as shot, onto a backing surface. gypsum board A panel whose gypsum core is paperfaced on each side, and which is used to cover walls and ceilings while providing a smooth surface that is easy to finish. Used as a substitute for plaster. gypsum sheathing A type of wallboard whose core is made from gypsum with which additives have been mixed to make it water-resistant. The sheathing is surfaced with a water-repellent paper to make it appropriate for exterior wall coverings. Search Again