GABLE
The triangular end of a house formed at the end of a pitched roof, from eaves level to apex.
GALLERY
An elevated floor, or platform projecting from the interior wall to increase the seating capacity of churches, theatres, and other large audience rooms.
GAMBREL ROOF
See MANSARD ROOF
GANTRY
A structure for the manipulation and transmission of heavy weights, which normally runs parallel to the ground.
GARDENWALL BOND
See COMMON BOND
GARNET PAPER
Garnet paper is an abrasive paper covered with finely powdered garnet.
GATE
A movable frame of timber or metal giving access through a fence or wall.
GATIC TYPE COVERS
A cast iron cover over an opening and capable of being sealed.
GAUGE
plastering the proportions of cement, lime and sand, used in the various plastering coats.
brickwork: the measurement of the height of brickwork courses, arrived at by adding the thickness of the bricks and mortar joints, e.g. 6 courses (6 bricks plus 6 mortar joints) to 600 mm
GAUGE BOX
A box of defined dimensions used for me,assuring ingredients and aggregates a wooden box in which lime is slaked. See SLAKE
GIRDER
A main beam resting upon a watt of pier at each end, and employed for supporting a superstructure. See also BEAM
GIRDER POSTS - Girder Supports
Columns paced so they will support a girder or beam.
GIRTH
The nominal measurement from edge to edge of a fibrous plaster cornice.
GLASS, Figured, Rolled
Rolled glass with an engraved pattern on one side making the glass translucent.
Plate: Distortion free high quality glass at least 6 mm thick used to glaze large openings and as sashless windows,
Sheet: Common glass, generally use to glaze windows of houses specified by its thickness, e.g. 2 mm.
GLASS BRICK
A rectangular hollow block made of glass in several sizes. Generally the internal surfaces are made with fibs or flutes in many different designs in order to secure even distribution of light.
GLASS STOP
See GLAZING BEAD
GLASS-WOOL INSULATION
Insulating material of glass fibres formed into lightweight blankets. See blanket insulation.
GLAZING BAR
See SASHBARS
GLAZING BEAD
Small moulding for holding glass in place,
GLAZED BRICK OR GLAZED TILE
Brick or tile prepared by fusing on the surface a glazing material producing a glossy surface.
GOING
In a stair, the horizontal distance from the face of one riser to that of the next riser. (See RISER)
GOODS LIFT
See LIFT
GRADUAL LOAD
The gradual application of a load to the supporting members of a structure.
GRANULATED CORK
Waste pieces of cork ground into small particles and used as a low-temperature insulating material.
GRAVEL FILL
Crushed rock, pebbles, or gravel, usually deposited in layers at the bottom of an excavation to ensue adequate drainage of any water.
GRAVEL STRIP
A strip of material fixed to edges of a gravelled roof to prevent the gravel from rolling off.
GRAVITY
WATER SYSTEM
Any water system in which flow occurs with gravity.
GREEN
BRICK
A moulded clay brick before it has been burnt.
GREEN TIMBER
Timber not yet seasoned or dried
GRID
Selected pattern, layout or module. See MODULAR SYSTEM, MODULE,
GRID – Planning.
Basic Module: A reference grid in which the distance bewteen consecutive lines is the basic module (100mm) – see SYSTEM, reference.
Planning: A rectangular, horizontal building reference system used to define the layout of a building. (See SYSTEM, Reference
Reference: A rectangular, 2 dimensional building referenc esystem - See SYSTEM, Reference.
Space: A rectangular, 3 dimensional, building reference system. See SYSTEM, Reference'.
Structural: A rectangular, 2 dimensional, building reference system used to define the positions of structural assemblies and elements. See 'ASSEMBLY', 'ELEMENT', 'System, Reference.
GRILLAGE FOUNDATION
A foundation formed of a framework of sleepers and crossbeams of timbers or steel beams superimposed on a layer of concrete, usually erected on unstable soil
GRILLE
Open work barrier used to cover or provide protection for an opening.
GROSS AREA
See AREA
GROUND LINE
The ground level or natural grade line
GROUND PLAN
Plan view of a horizontal section of a building showing the layout of rooms on the ground floor.
GROUNDS
Strips of timber nailed to plugs(e.g. in plastering the outer faces form a guide for the thickness and line of the finished face of the plaster).
GROUT
Mortar made thin by the addition of water so that it will run into open joints, ensuring the structural solidity of the joint.
GUSSETS
Plates used where members of a truss, or wall or floor framing, are to be joined by riveting, bolting or other means.
GUTTER
Quadrant Eaves: A gutter section with the lower outside edge in the form of a quadrant.
Roof or Eaves (Spoutinq): The channel for collecting rain water from a roof.
Secret: Gutter hidden from view under roofing jn conjunction with flashings which are also fixed under the roofing.
GUTTER - Valley
Inclined gutter formed between intersecting sloping surfaces of a roof. (See also 'VALLEY'.)
GUTTER
BOARDS
Boards fixed to form the shape of and to support a roof gutter-(e.g. at the back of a chimney or abutting a parapet).
GUTTER BRACKETS
Metal supports for roof gutters,of the same shape.
GUY ROPE
Rope to hold a structure in a desired position.
GYPSUM BLOCKS
Building material (plaster blocks) used only in nonload-bearing wall