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| Plasterers and Cement Masons Union | |
|---|---|
| Name | Plasterers and Cement Masons Union |
| Founded | 19th century |
| Headquarters | United States and Canada |
| Affiliation | AFL–CIO, CLC |
| Members | hundreds of thousands (historical and current) |
Plasterers and Cement Masons Union
The Plasterers and Cement Masons Union is a North American trade union representing workers in plastering, cement masonry, terrazzo, and related finishing trades. It interfaces with building trades federations, apprenticeship programs, and labor councils to negotiate collective bargaining agreements, enforce safety standards, and administer training funds across regions such as the United States and Canada.
The union’s roots trace to 19th‑century craft unions and federations including the Knights of Labor, American Federation of Labor, International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers, United Brotherhood of Carpenters and Joiners of America, and Amalgamated Association of Iron and Steel Workers. Early 20th‑century developments involved interactions with the National Civic Federation, Congress of Industrial Organizations, AFL–CIO, and municipal labor councils like the Chicago Federation of Labor and New York City Central Labor Council. Key historical events intersecting with the union included the Pullman Strike, the Haymarket affair, the Homestead Strike, and regulatory changes influenced by the National Labor Relations Act and the Taft–Hartley Act. The union’s trajectory also reflects relationships with immigrant labor movements from Italy, Ireland, Germany, Poland, and Mexico, and with building industry leaders during periods such as the New Deal, the Great Depression, and post‑World War II construction booms linked to the GI Bill and the Interstate Highway System.
The union’s governance mirrors structures seen in trade unions like the International Brotherhood of Teamsters, United Steelworkers, Service Employees International Union, and Laborers' International Union of North America. District councils and local unions coordinate with national or international offices similar to United Association, Operative Plasterers' and Cement Masons' International Association models. Affiliations and joint boards sometimes include the Building and Construction Trades Department, AFL–CIO, provincial bodies such as the Canadian Labour Congress, and regional entities like the Pacific Coast Conference of Building Trades. Leadership roles echo positions in unions like AFL, CIO, and contemporary counterparts including National Education Association governance patterns. Pension, welfare, and apprenticeship funds resemble arrangements in the Bricklayers and Allied Craftworkers and Ironworkers trust structures.
Membership pathways align with apprenticeship systems similar to programs administered by the United Brotherhood of Carpenters, Sheet Metal Workers’ International Association, and Operating Engineers. Apprenticeship standards correspond with frameworks from the United States Department of Labor, the Canadian Apprenticeship Forum, and state systems like the California Apprenticeship Council. Training incorporates techniques and materials referenced by organizations such as the Portland Cement Association, the American Concrete Institute, the National Ready Mixed Concrete Association, and the Terrazzo, Tile and Marble Association. Notable training collaborations have involved institutions like Carnegie Mellon University, Pittsburgh Technical Institute, University of Illinois, McGill University, and technical colleges in Ontario. Membership demographics have parallels with labor patterns in New York City, Chicago, Los Angeles, Toronto, and Vancouver.
Collective bargaining practices parallel agreements negotiated by the International Brotherhood of Electrical Workers, Amalgamated Transit Union, and United Food and Commercial Workers. Contract topics include wage scales, fringe benefits, project labor agreements, and prevailing wage enforcement found in contexts like the Davis‑Bacon Act, state prevailing wage laws, and municipal project labor agreements such as those in Seattle and Boston. Multiemployer bargaining and dispute resolution echo mechanisms used by the National Labor Relations Board, the Federal Mediation and Conciliation Service, and provincial labor boards like the Ontario Labour Relations Board. Enforcement actions have involved coordination with public entities including the Department of Labor and local building authorities in New York City and Los Angeles County.
The union engages in political advocacy similar to lobbying by AFL–CIO, Service Employees International Union, and International Brotherhood of Teamsters affiliates. Activities include campaign endorsements, contributions coordinated with organizations like the Democratic National Committee or provincial equivalents, and policy advocacy on infrastructure bills akin to the Infrastructure Investment and Jobs Act, immigration reform debates involving Immigration and Customs Enforcement policies, and occupational safety regulations influenced by Occupational Safety and Health Administration and provincial ministries. Coalition work often aligns with groups such as the National Association of Manufacturers, construction employer associations, community organizations like Habitat for Humanity, and political action committees active in cities including Philadelphia, Denver, and Houston.
Significant labor actions reflect patterns present in disputes like the West Coast longshore strike, the UPS strike, and the General Motors strike. Localized strikes and work stoppages have occurred in major construction markets including New York City, Chicago, San Francisco, Toronto, and Vancouver over contract renewals, jurisdictional disputes involving the Sheet Metal Workers' International Association or Bricklayers and Allied Craftworkers, and safety or wage grievances similar to actions by the Steelworkers and Laborers' International Union. Coordination with building trades coalitions has paralleled strike strategies used by the International Longshore and Warehouse Union and the Amalgamated Transit Union.
Standards and certifications follow guidelines from the American Concrete Institute, the American Society of Testing and Materials, the Occupational Safety and Health Administration, and provincial bodies such as WorkSafeBC. Safety programs mirror initiatives from the National Safety Council, the Center for Construction Research and Training, and certification frameworks similar to OSHA 10 and OSHA 30 trainings. Technical standards reference publications and codes like the International Building Code, the American Institute of Architects recommendations, and materials specifications from the Portland Cement Association and the National Ready Mixed Concrete Association. Collaborative research and standards development have involved universities and laboratories such as Massachusetts Institute of Technology, University of California, Berkeley, National Institute of Standards and Technology, and regional construction research centers.