In plumbing, a pie fitting, shaped like the letter '', placed in a water line, gas line, to make a branch at right angles from the line being tapped.
In electrical installations, a connector shaped like the letter 'T' for connecting a conduit branch at right angle with another.
A short fastener with a large head, used for securing linoleum and rugs to floors.
The end division or bay of a framed roof of floor which is next to the end wall.
To pound down or consolidate the material.
TANK, Water Storage
A reservoir for storing water. In housing where a tank is used for the storage of roof waters, it is generally made with circular walls of corrugated galvanised steel or poly. Tanks of various other types and materials are also used for hot water and sewerage systems.
A platform to carry a storage tank.
See DIMENSION, Manufacturing
To mix mortar or plaster to the proper consistency for use.
TEMPERATURE STRESS RODS
Steel rods placed horizontally in concrete slabs for prevention of cracks, due to temperature changes, usually laid at right angles to and almost in the same plane as reinforcing rods.
A guide for forming work to be done.
The reduced end of a piece of timber that fits into a mortise See MORTISE
TENON, Mortise and
A joint where a mortise is formed in a piece of timber to receive the tenon from another piece; the common mortise and tenon joint is secured by inserting wedges at each side of the tenon from the back of the mortise.
Stub or Stump: A short tenon fitting into a mortise that does not extend through the full depth of the adjoining timber.
See TENSILE STRESS
The strength necessary to enable a structure or structural member to resist a tensile strain.
The stress or strain to which a structure or structural members subjected when in tension. See 'Tension
A pulling or stretching force.
An unroofed built-up area, generally opening off a room.
A group of one or two storey dwellings separated by party walls. Also known as row housing.
Clay shaped into various building forms, eg. roofing tiles, and baked at high temperatures in special kilns.
Material produced be setting irregular fragments of marble In a matrix of cement, and rubbing them down to a smooth surface.
Formed of cubes of stone, marble, glass or other suitable materials (tessera),arranged in a checkered pattern as in mosaic floors and pavements.
Natural fibre covering for a roof (e.g. straw, rushes, reeds, or leaves).
The reciprocal of thermal conductance. See 'CONDUCTANCE
THERMAL TRANSMISSION COEFFICIENT
See 'AIR TO AIR Transmission COEFFICIENT' and U VALUE
Flooring tiles made from asphalt, asbestos fibre, thermoplastic resins, and similar materials.
An automatic control of the operation of a heating or cooling device by responding to changes of temperature of the space.
A dimension, in any plane,whose magnitude is small compared to that of other dimensions.
Machining timber to an even thickness.
A short length of pipe fixed into the spouting of roof gutter to which the downpipe is attached. See 'DOWNPIPE
The step or sill or an external door.
A small groove made on the underside of a sill, coping, etc. to prevent water running inward towards the wall. Also that part of a chimney connecting the fireplace opening with the flue-See 'CHIMNEY THROAT
The outward pressure on a material due to the loading carried by it (e.g. by a rafter against a supporting wall).
A horizontal member in tension, usually a timber of steel rod binding two members of sections of a building together to prevent spreading. (See 'TIE, collar'.)
A timber member tying a pair of rafters, usually placed midway between the wall plate and ridge.
Shaped galvanised wire of galvanised iron straps built into cavity walls to bind the inner and outer leaves, also in brick veneer construction to bind the framework to the brickwork.
In tile roofing, copper, galvanised or other wire, used to tie roofing tiles to the battens in the French (Marseilles) pattern tile. The wire is inserted through a special lug on the underside.
A special angular ridge tile used to cover the intersection of a ridge and hips.
Concrete: Roofing Tiles made of concrete in various shapes and sizes.
Eaves: The tile used in the bottom coarse of roof tiling, sometimes resting on a tilting fillet.
Ridge: A tile used for covering the ridge or hip of a tiled roof. In section it is generally angular, but occasionally semi-circular. The lengths are fitted together with flanged or overlapping joints. (See 'Hip', 'RIDGE'.)
Floor and Walls: Usually thin slabs of specially prepared clay in a variety of sizes, colours and patterns, baked at high temperatures Glazed tiles are generally used for walls and unglazed tiles for floors.
Terra Cotta: A terra cotta roofing component; the shape most commonly ucsed has been the French pattern, commonly called 'Marseilles' tiles.
Verge: A full tile or half tile in any course, which is fixed parallel to and projecting over, or flush with, the verge on a gable roof. (See 'VERGE'.)
The hanging of tiles on a vertical surface (e.g. on a wall to protect against dampness).
For or definition of terms relating to timber used in the structure of finishes of buildings, reference should be made to S.A.A. publication ASO-1g64, 'Terms used in Timber Standards'
The driving of a nail, slanting to the end of a piece of timber to attach it to another piece, to avoid having the heads of the nails show above the surface (e.g. flooring)see 'SECRET NAILING'.
A temporary prop or strut.
See TONGUING AND GROOVING
TONGUING AND GROOVING
A method by which one board is grooved along the edge and the other tongued, so that one fits into the other.
Mortar joints which are specialty prepared by compressing and spreading the mortar after it has set slightly (e.g. weathered joint, v joint, and concave joint-see 'JOINT').
The temporary end of a wall built so that the end stretcher of every alternate course projects to bond with future adjoining walls.
A mixture of cement, sand, and water, to create the finishedsurface of concrete work such as paths and floors.
A space or break of about 3mm made at regular intervals, particularly over expansion joints.
TOUGH RUBBER COMPOUND COVERED CABLE
Vulcanized rubber insulated cables, covered with a tough rubber compound.
The principle of post and lintel construction as distinguished from the vaulted or arched type.
An intermediate horizontal member of a door or window frame.
Buildings or large parts of buildings prefabricated in a factory and capable of being transported from the factory to a building site where they are lowered on to previously constructed footings.
A plumbing term used to describe any fitting which retains water to form water seal for preventing the passage of gases, of for intercepting gases or silt, grease, acid or oil and that permits the free passage of liquids and solids through it. The depth of water in a trap through which gas must pass to effect passage is called the 'water seal'.
Boundary or interceptor: A trap generally placed as near as possible to the point where the sewer line leaves a property for discharge to the main sewer or where the house sewer line discharges into the main sewer; a trap preventing the passage of air or gases from the sewer to the drain at some point between the sewer and the lowest inlet to the drain.
Disconnected or Gully: A trap for isolating of disconnecting waste pipes from the drain and soil pipes and providing inlet ventilation to the waste pipe or pies discharging into it. (See 'PIPE, soil', 'Pipe waste'.)
Grease: A trap designed to prevent grease from entering the drainage system.
Gully or Yard: A trap with a vertical inlet placed in the yard of an allotment and as near as practicable to the kitchen or back door. This trap is provided with a gully basin and grating, with a water tap above. Sometimes a gully ring is placed over the gully basin to prevent surface water from entering the sewer drain or the gully Basin may be raised above ground level for the same purpose.
A covering for an opening in a floor, ceiling, of roof.
A shallow sheet metal container placed under a tank, of fitting that is not set on an impervious surface. lt confines any overflow, which is carried off through an attached pipe.
In a stairway, the horizontal portion of each step.
A structure or frame of cross-barred work or lattice work.
In joinery, a groove.
In drainage and plumbing, the excavation in which pipes are laid.
In foundations, the excavation in which footings are placed.
To construct a framed opening in any part of a timber framework.
Finishing timbers (e.g. architraves) placed in position.
The cross-member inserted when an opening is formed in framework to which the ends of the cut members are fixed. The trimmer itself is fixed between uncut joists or studs.
See JOIST, jack
A coplanar system of structural members joined together at their ends to form a stable (braced) framework.
A beam stiffened by a truss rod.
TRUSSED WALL OPENING
A wall opening where the framing is trussed to support a concentrated load carried above the opening.
The finishing of masonry joints along the centre lines with a narrow parallel ridge of fine lime mortar.
Small towers, often ornamental features at an angle of a large building which either begin at some distance above the ground, or rise from the ground.