A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Gable– The end, upper, triangular area of a home, beneath the roof.
Gable (Fixing Roof Tiles) – The part of the wall above the general level of the eaves at the end of a ridged roof or of a partially hipped, which encloses the end of a pitched roof.
Gang nail plate– A steel plate attached to both sides at each joint of a truss. Sometimes called a fishplate or gussett.
Gate valve– A valve that lets you completely stop—but not modulate—the flow within a pipe.
General Contractor / Main Contractor – A contractor who enters into a contract with the owner of a project for the construction of the project and who takes full responsibility for its completion, although the contractor may enter into subcontracts with others for the performance of specific parts or phases of the project.
Girder– A large or principal beam of wood or steel used to support concentrated loads at isolated points along its length.
Girder Truss (Timber Roof Structures) – truss that performs a special function of carrying loads from other trusses that it supports.
Glazing– The process of installing glass.
Globe valve– A valve that lets you adjust the flow of water to any rate between fully on and fully off. Also see gate valve.
Gloss enamel– A finishing paint material. Forms a hard coating with maximum smoothness of surface and dries to a sheen or luster (gloss)
Grade of concrete (Concrete) – An identifying number for the concrete, the number used being numerically equal to the specified strength at 28 days in megapascals (Mpa).
Grain– The direction, size, arrangement, appearance, or quality of the fibers in wood.
Green building – The practice of increasing the efficiency with which buildings and their sites use and harvest energy, water, and materials, to reduce building impacts on human health and the environment. This includes aspects of siting, design, construction, operation, maintenance, and removal.
Ground- Refers to electricity’s habit of seeking the shortest route to earth.
Groundwater– Water from a borehole or subsurface water source.
Grout– A wet mixture of cement, sand and water that flows into masonry or ceramic crevices to seal the cracks between the different pieces. Mortar made of such consistency (by adding water) that it will flow into the joints and cavities of the masonry work and fill them solid.
Grouted cavity wall (Masonry) – A cavity wall with the space between the leaves filled with infill concrete and sometimes reinforced.
Gutter (Fixing Roof Tiles) – Any form of rain-water channel at eaves, verges and abutments.
Gutter– A shallow channel or conduit of metal or PVC set below and along the (fascia) eaves of a house to catch and carry off rainwater from the roof.
Gypsum board– Drywall. Wall board or gypsum- A panel made with a core of Gypsum (chalk-like) rock, which covers interior walls and ceilings.
Gypsum plaster– Gypsum formulated to be used with the addition of sand and water for base-coat plaster.