plastering


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plastering,

house construction technique involving the application of plaster to walls and ceilings, exterior plasterwork being of a different composition and generally known as stuccostucco
, in architecture, a term loosely applied to various kinds of plasterwork, both exterior and interior. It now commonly refers to a plaster or cement used for the external coating of buildings, most frequently employed in Mediterranean countries.
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. Plaster was used by the Egyptians (chiefly as a surface to receive color decorations) and by the Greeks. The Romans used it extensively, and there remain, especially at Pompeii, many ceilings and walls, with beautiful relief ornamentation, of a hard, fine plaster. Italian Renaissance artists imitated this Roman work, and relief ornament in plaster was employed in England for the rich ceilings and interiors of the reigns of Henry VIII, Elizabeth I, and James I and later in those designed by the architects Robert and James Adam. In the United States many fine ornamented plaster ceilings were executed in the 18th cent. Interior plastering is applied over a base that will furnish a proper grip—by means of interstices provided by wood lath or metal lath or by irregularities of surface such as in hollow tile. To secure best results three successive coats of plaster are requisite in most types of work. The first, or scratch, coat, composed of sand and lime mixed with abundant hair or fiber, must be thoroughly grounded into the lath and before it hardens is scratched to provide key, or adhesion, for the next coat. The second, called the brown coat in the United States and the floating coat in Great Britain, is composed of sand and lime, without hair, and is worked to a hard, compact texture, with its surface roughened to receive the final coat. The third, or white, finishing coat is composed of plaster of paris, slaked lime, and white sand, mixed with water to form a paste. It is troweled on the wall to form a hard, smooth surface, the process requiring a skilled worker. Moldings, cornices, and relief ornament are cast separately and then mounted into place. In former times ornamental details were molded in their location, from the damp plaster. Often substituted for plastered walls is plasterboard, a prefabricated material composed of paperboard and gypsum.

Bibliography

See F. Van Den Branden and M. Knowles, Plastering Skill and Practice (1953, repr. 1971); J. R. Diehl, Manual of Lathing and Plastering (1960, repr. 1965).

References in periodicals archive ?
com are already underway and new user awareness guides from expert Wall Plastering Contractors are already being added on how best to beautify your home with any budget, guides on maintenance and repair, to what everybody should know about the latest Wall Plastering and Drywall Repair materials and designs before starting any property improvement project.
PLASTERING FLOAT, This is ideal for rendering or base coats as the finish is slightly rougher than the trowel.
Some have tried to confuse the two issues by claiming that plaster spots are etching (which has never been proven), and that onBalance is therefore trying to claim that aggressive water does not etch plaster, or that plastering practices cause etching.
This book mostly focuses on plastering strawbale buildings, but goes into plenty of detail about how to make your own earthen plasters from your local subsoil.
All too often, DIY plastering is something to disguise as best you can.
If you're not tempted to try your hand at plastering, hire a professional.
Sprayed-on acoustical plastering and insulation help architects solve the problem of reducing the high level of noise inherent in many building projects from tunnels and theaters to arenas and boiler rooms.
A good example is the ongoing research about cosmetic plaster problems that the Independent Pool & Spa Service Association and Alan Smith Plastering (an NPC member) are conducting in California.
Like many other natural builders, we learned it's not necessary to use chicken wire over strawbales before plastering.
PLASTERING is highly skilled and often best left to the professionals, especially if you have a large area to cover.