WELCOME TO OUR Building dictionary : Plaster to plasticizing PROJECT
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Summary: Building dictionary to explain building jargon and terminology from A - Z.
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Building dictionary for the letter P - Page 14
Plaster
(1) A cementitious material or combination of cementitious material and aggregate that, when mixed with a suitable amount of water, forms a plastic mass or paste. When applied to a surface, the paste adheres to it and subsequently hardens, preserving in a rigid state the form or texture imposed during the period of elasticity. (2) The placed and hardened mixture created as in definition 1 above. See also stucco.
Plaster bead
An edging, usually metal, to strengthen applied plaster at corners.
Plaster ceiling panel
A raised or sunken section of a plaster ceiling, forming a panel.
Plaster cornice
A moulding of plaster at the intersection of a wall and a ceiling.
Plaster cove
A concave moulding of plaster at the intersection of a wall and a ceiling.
Plaster ground
A wood strip or metal bead used as a guide for application of a desired thickness of plaster or for attaching trim.
Plaster lath
A supporting structure for plaster, such as a wood lath, metal lath, or lath board.
Plaster mould
A mould or form made from gypsum plaster, usually to permit concrete to be formed or cast in intricate shapes. See also mould and form.
Plasterboard (Gyprock(r))
Interior prefabricated board of plaster with paper facings. Plasterboard may be painted or used as a base for a finish coat of applied plaster.
Plasterboard construction
Interior wall or ceiling construction referring to a timber or metal frame lined with plasterboard.
Plasterboard nail
A nail for fastening plasterboard to a supporting system. The nails are galvanized with a flat head and a deformed shank.
Plasterers putty
A hydrated lime with just enough water added to make a thick paste for use as a hole or crack filler.
Plastic
(1) Possessing plasticity, or possessing adequate plasticity. See also plasticity. (2) A common name given to a group of resinous materials.
Plastic deformation
Deformation that does not disappear when the force causing the deformation is removed.
Plastic laminate
A thin board used as a finished surfacing, made from layers of resin-impregnated paper fused together under heat and pressure.
Plastic wood
A quick-drying putty of nitrocellulose, wood flour, resins, and solvents used as a filler for holes and cracks.
Plasticity
(1) The capability of being molded, or being made to assume a desired form. (2) A property of wood that allows it to retain its form when bent. (3) A complex property of a material involving a combination of qualities of mobility and magnitude of yield value. (4) That property of freshly mixed cement paste, concrete, or mortar, which determines its resistance to formation');">deformation and ease of moulding.
Plasticity index
(1) The range in water content through which a solid remains plastic. (2) Numerical adherence between the liquid limit and the plastic limit. See also Atterberg limits.
Plasticizer
(1) A material that increases plasticity of a cement paste, mortar, or concrete mixture. (2) Various substances added to organic compounds to create a more flexible finished product. These additives are frequently used in roofing materials and concrete.
Plasticizing
(1) Producing plasticity or becoming plastic. (2) Softening wood by hot water, steam or chemicals to increase its moldability.
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