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The Operative Plasterers' and Cement Masons' International Association of the United States and Canada (OPCMIA) is a trade union of plasterers and cement masons in the construction industry in the United States and Canada. Members of the union finish interior walls and ceilings of buildings and apply plaster on masonry, metal, and wire lath or ...
It was established during a great wave of blue-collar union formation in the 1860s. The organization has changed its name several times during its history to reflect its changing membership. In 1884 the name changed to Bricklayers and Masons International Union. In 1910 the name changed again to Bricklayers, Masons, and Plasterers International ...
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Over 1300 are cement masons and over 300 are plasterers. 236 are cement mason apprentices, and approximately 56 are plasterer apprentices. The Seattle-based Local 528 has a jurisdiction that covers nearly all of Western Washington from the Cascade Mountains to the Pacific Ocean , and from the Canada–US border to all but three counties on the ...
In 1895, both the Liverpool Operative Plasters' Trade, Accident and Burial Society, and the Metropolitan Trades Society of Operative Plasterers merged in, taking membership to 11,000, and a three-month strike in 1898 produced a national agreement on wages and working conditions.
Pages in category "Plasterers" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. B. ... Code of Conduct;
A plasterer is a tradesman who works with plaster, such as forming a layer of plaster on an interior wall or plaster decorative moldings on ceilings or walls. The process of creating plasterwork, called plastering, has been used in building construction for centuries. A plasterer is someone who does a full 4 or 2 years apprenticeship to be ...
In the Earliest European settlers' plasterwork, a mud plaster was used [5] McKee [4] wrote, of a circa 1675 Massachusetts contract that specified the plasterer, "Is to lath and siele [6] the four rooms of the house betwixt the joists overhead with a coat of lime and haire upon the clay; also to fill the gable ends of the house with ricks and ...