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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 ...
Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...
Fiberboard (American English) or fibreboard (British English) is a type of engineered wood product that is made out of wood fibers. Types of fiberboard (in order of increasing density) include particle board or low-density fiberboard (LDF), medium-density fiberboard (MDF), and hardboard or high-density fiberboard (HDF).
It can be used on the exterior of buildings as a base for exterior plaster systems and sometimes as the finish system itself. Cement board adds impact resistance and strength to the wall surface as compared to water resistant gypsum boards. Cement board is also fabricated in thin sheets with polymer modified cements to allow bending for curved ...
Electricians may be employed in the construction of new buildings or maintenance of existing electrical infrastructure, they can also install A/C and Telecommunications systems. [2] [3] Elevator mechanic installs vertical lift and transporting equipment. Fencer, a tradesperson who builds fences. Glazier, installs glass.
Associated Builders and Contractors (ABC) is a national U.S. trade association representing the construction industry. ABC is an association of 69 chapters with more than 23,000 commercial contractors and construction-related firms among its members.
National Association of Home Builders headquarters in Washington, D.C. Founded in 1942, NAHB is a federation of more than 700 state and local home builder associations (HBAs). About a third of the more than 140,000 NAHB members are home builders or remodelers. [ 2 ]
National Gypsum Company is a company based in Charlotte, North Carolina, that produces drywall gypsum boards in the US. It has 17 gypsum board plants in the US and presents itself as a fully integrated building products manufacturer. [ 1 ]