The Operative Plasterers' and Cement Masons' International Association of the United States and Canada (OPCMIA) is a

trade union A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their employment", ch. I such as attaining better wages and benefits ( ...

plasterer A plasterer is a tradesman or tradesperson 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 u ...

s and

cement A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel ( aggregate) together. Cement mix ...

masons in the

construction industry Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and come ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

and

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. Members of the union finish interior walls and ceilings of buildings and apply

plaster Plaster is a building material used for the protective or decorative coating of walls and ceilings and for Molding (decorative), moulding and casting decorative elements. In English, "plaster" usually means a material used for the interiors of ...

on masonry,

metal A metal (from Greek μέταλλον ''métallon'', "mine, quarry, metal") is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typicall ...

, and wire

lath A lath or slat is a thin, narrow strip of straight-grained wood used under roof shingles or tiles, on lath and plaster walls and ceilings to hold plaster, and in lattice and trellis work. ''Lath'' has expanded to mean any type of backing mate ...

gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard or sidewalk chalk, and drywall. ...

. Cement masons are responsible for all

concrete Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most wi ...

construction, including pouring and finishing of slabs, steps, wall tops,

curbs A curb (North American English), or kerb (English in the Commonwealth of Nations, Commonwealth English except Canada; American and British English spelling differences, see spelling differences), is the edge where a raised sidewalk or road m ...

and gutters,

sidewalk A sidewalk (North American English), pavement (British English), footpath in Australia, India, New Zealand and Ireland, or footway, is a path along the side of a street, street, highway, terminals. Usually constructed of concrete, pavers, brick ...

s, and paving. The organization is a member union of the

AFL–CIO The American Federation of Labor and Congress of Industrial Organizations (AFL–CIO) is the largest federation of unions in the United States. It is made up of 56 national and international unions, together representing more than 12 million ac ...

and

Canadian Labour Congress The Canadian Labour Congress, or CLC (french: Congrès du travail du Canada, link=no or ) is a national trade union centre, the central labour body in Canada to which most Canadian labour unions are affiliated. History Formation The CLC was ...

History

The union traces its roots to the era of the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

, when an organization known variously as the National Plasterer's Union or the National Plasterers Organization attempted to unify the various local

craft unions Craft unionism refers to a model of trade unionism in which workers are organised based on the particular craft or trade in which they work. It contrasts with industrial unionism, in which all workers in the same industry are organized into the sa ...

that represented workers in the trade. The new organization attempted to establish standard wages and working conditions, regulate the training of

apprentice Apprenticeship is a system for training a new generation of practitioners of a trade or profession with on-the-job training and often some accompanying study (classroom work and reading). Apprenticeships can also enable practitioners to gain a ...

s, establish a traveling card system to permit union members to travel from one local's jurisdiction to another, while excluding those unfit for membership. The modern organization was formed in 1882, when a number of

locals Locals Technology Inc., also referred to as locals.com, is a creator crowdfunding site cofounded by Dave Rubin and Assaf Lev. It started in 2019 and is based in Miami. The site was founded after Rubin and Jordan Peterson left Patreon in response ...

who had supported the

Cincinnati Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wit ...

Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...

local in a

strike Strike may refer to: People * Strike (surname) Physical confrontation or removal *Strike (attack), attack with an inanimate object or a part of the human body intended to cause harm *Airstrike, military strike by air forces on either a suspected ...

earlier that year met in

St. Louis, Missouri St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi River, Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the Greater St. Louis, ...

to reestablish a national organization. The new union endorsed the

eight-hour day The eight-hour day movement (also known as the 40-hour week movement or the short-time movement) was a social movement to regulate the length of a working day, preventing excesses and abuses. An eight-hour work day has its origins in the 16 ...

while pledging to avoid "unnecessary strikes." The union amended its constitution in 1887 to include Canadian workers. In 1914 the union was renamed the Operative Plasterers' and Cement Finishers' International Association, and the following year it reached an agreement with the United Brotherhood of Cement Workers to bring those workers into the union. In 1946 the union established a program, in conjunction with the Contracting Plasterers' International Association and the Associated General Contractors, to establish national apprentice training standards. The union trained a large number of veterans of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

in its apprenticeship programs, while curtailing the competition from non-union contractors. In the late 1960s, the union opened up its apprenticeship programs to allow more

African-American African Americans (also referred to as Black Americans and Afro-Americans) are an Race and ethnicity in the United States, ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American ...

and

Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...

workers into its locals. In 1960 the union followed many other U.S. unions in moved its headquarters, transferring them from

Cleveland Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...

to the Washington, D.C. region. It is currently headquartered at

Columbia, Maryland Columbia is a census-designated place in Howard County, Maryland. It is one of the principal communities of the Baltimore–Washington metropolitan area. It is a planned community consisting of 10 self-contained villages. Columbia began with ...

Presidents

:1882: Michael Mulvihill :1883: James W. Smith :? :John H. Donlin :Michael J. Colleran :1942: John E. Rooney :1959: Edward J. Leonard :1970: Joseph P. Power :1981: Melvin H. Roots :Robert J. Holton :1996: John J. Dougherty :2007: Patrick Finley :2016: Daniel Stepano

References

External links

*
Profile of the work of plasterers and stucco masons
from the

Occupational Outlook Handbook The ''Occupational Outlook Handbook'' (OOH) is a publication of the United States Department of Labor's Bureau of Labor Statistics that includes information about the nature of work, working conditions, training and education, earnings and job o ...

{{Authority control AFL–CIO Canadian Labour Congress Plasterers' trade unions Trade unions established in 1882

History

Presidents

See also

References

External links