Where is sheetrock manufactured

Services Involved Construction of an intricate, cast-in-place concrete truck dump hopper and reclaim tunnel 2, CYD of concrete Erection of a 30, sq. Client National Gypsum Company Mt. Drywall, also known as plasterboard or wallboard, consists of two paperboards that sandwich gypsum, a powdery white or gray sulfate mineral. Gypsum is noncombustible, and compared to other wall materials, like solid wood and plaster, gypsum boards are much lighter and cheaper. As a result, drywall is popular in homes across the U.

It's the staple of a billion-dollar construction industry that depends on quick demolition and building. Drywall was invented in Between and , more than 21 million new homes were built nationwide for the tens of millions of additional babies. It made perfect sense then. Berkshire Hathaway, Warren Buffet's conglomerate, owns 27 percent of the company. It gets its gypsum from mines or as a synthetically engineered byproduct of coal-fired power plants. Though ideal for construction, gypsum is not known for its environmental friendliness.

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This not only makes handling and installation easier, but decreases shipping costs as well. Fire-resistant and moisture-resistant gypsum boards were developed in the late s and early s. Another innovation came in with the development of controlled density CD ceiling board. In this product, the core is compressed in such a way as to create thin, dense layers of gypsum on both sides of a standard density core. Although CD board is 0. Another area of investigation involves better ways of disposing of wallboard waste.

During building construction drywall scrap is generated, both as trimmings from panels cut to fit required shapes and as damaged panels that cannot be used.

An estimated 1. Research has begun in the area of pulverizing this material and using it as a soil treatment rather than simply discarding it. It appears that the effects are very similar to those achieved with gypsum products manufactured specifically for agricultural use. White, Edwin H. Standing, H. Toggle navigation. Made How Volume 2 Drywall Drywall. Other Standing, H.