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USG Corporation, also known as United States Gypsum Corporation, is an American company which manufactures construction materials, most notably drywall and joint compound. The company is the largest distributor of wallboard in the United States and the largest manufacturer of gypsum products in North America.
Eagle Materials Inc. is an American producer of building materials based in Dallas, Texas. The company produces cement, concrete, construction aggregate, gypsum, wallboard, paperboard, and sand for hydraulic fracturing. [1]
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 ]
Gypsum is a common mineral, with thick and extensive evaporite beds in association with sedimentary rocks. Deposits are known to occur in strata from as far back as the Archaean eon. [16] Gypsum is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins.
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 facer and backer paper, used in the construction ...
The product data submittal usually consists of the manufacturer's product information. The information included in this submittal are: Manufacturer, trade name, model or type number and quantities: This information is necessary to compare the submitted item with the specified products and acceptable products listed, in the specification and addenda.
BPB's gypsum operation in 2007. James Hardie Gypsum eventually purchased the mine, and expanded operations there in 1998. It had 150 employees by the end of the decade. [12] In 1999, James Hardie put 2,700 acres of its mine land up for sale, at a price of $45 million. [13]
50 Divisions refers to the 50 divisions of construction information, as defined by the Construction Specifications Institute (CSI)'s MasterFormat beginning in 2004 ...