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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 .
American Gypsum Company ClassicRoc: AGC's ClassicRoc is wrapped in 100-percent recycled paper. Certainteed Gypsum Board: Certaintted is primarily a manufacturer of exterior building products.
Gypsum is a mineral and non-combustible building material (a class A1 building material in accordance with the German DIN 4102, the European EN 13501 or the British BS 476 or the American ASTM E119) consisting of calcium sulphate dihydrate (CaSO 4 ·2H 2 O). Because of the stored water, gypsum is a good fire protection building material. In the ...
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.
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 ]
The "prevailing term", Gypsum Board or Gypsum Wallboard for a while now, according to ASTM C 840, Specification for Application and Finishing of Gypsum Board - American Society for Testing and Materials, and that's the one cited throughout the International Building Code. Since 1898, ASTM has been a voluntary body creating "consensus standards ...
The American casual dining chain known for its “flair” filed for Chapter 11 in November after years of dealing with a shrinking footprint and a decline in customers. TGI Fridays said in a ...