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Cement Plant in Usa

In the spring of 1866, David O. Saylor, Esias Rehrig, and Adam Woolever started the Coplay Cement Company. The Coplay Cement Company was located along the west side of the Lehigh River and along side of the Lehigh Valley Railroad (L.V.R.R). Early in the 1870’s, Sailor began to experiment with the manufacturing of portland cement from rocks from his own quarry.

With this experimentation, Saylor discovered the possibility of making portland cement from raw materials at his disposal. He noticed that the harder burned portions of his Rosendale clinker produced cement that would show a tensile strength equal to that of the best imported portland cement, for a short period of time. However the cement had the problem of crumbling away with time. This problem was do to the raw materials not being properly proportioned.

Up until this experimentation, the trio of men manufactured natural rock cement. There were many other manufacturers of natural rock cement in the United States at this time. The Rosendale cement of New York had been on the market for over thirty years and manufacturers were already in operation on the Potomac, James, and Ohio River Valleys. Natural rock cements were made by driving off the carbonic acid from argillaceous (clay-bearing) limestones.

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Top Cement Companies and Suppliers in the Usa

Cement is a broad term for several types of materials with adhesive properties. Most people are familiar with the cement used in concrete, but other types of cement are used as mortar, on PVC pipes, or for flexible items like tarps. Certain types of cement are often confused with concrete, but this type of cement is in fact a component of concrete, the material that, with water, holds the cement mixture together.

In this article, we have compiled stats and summaries about the top concrete cement manufacturers in the U.S. according to TheConstructor.org, as well as the top cement suppliers on Thomasnet.

Top Cement Manufacturers in the Us by Global Capacity

Below we have compiled information on the top selling U.S. manufacturers of cement, ranking the companies by global production capacity in metric tons per year. Information on each company’s U.S. headquarters location and number of plants is also below, and company summaries follow the table. Dashes indicate where data was unavailable.

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Coplay Cement Company

From 1893 to 1904 the nine vertical kilns of the Coplay Cement Company were used for the production of portland cement. Built as an improvement in kiln technology over the bottle or dome kiln then in use, the 90 foot high vertical kilns had the advantage of producing a higher quality product than dome kilns and produced it on a continuous basis as well.

However, they were almost immediately superseded by rotary kiln technology that required very little labor to operate. In 1904 the company shut down its vertical kilns and in the 1920s demolished the surrounding buildings and removed the upper 30 feet of the kilns. Lehigh County acquired the kilns in 1976 and launched a rehabilitation campaign. The restored and stabilized kilns now house a cement industry museum.

Not only do these structures represent the transition in kiln technology from the bottle or dome kiln to the rotary kiln, but they stand as a fitting monument to the pioneering role of David O. Saylor, the Coplay Cement Company, and the Lehigh Valley area in the development of the American portland cement industry.

Several years before he constructed his first cement plant in 1866, Saylor purchased the land where it and the future mills of the Coplay Cement Company would be located. His first mill, often referred to as plant A, where he made his first portland cement in 1871, was utilized well into the 1890s but was demolished early in the 20th century. In 1892, eight years after Saylor’s death, the Coplay management, faced with a growing demand for its product, decided to erect a new mill, and eventually 11 Schoefer kilns, which were a Danish modification of an upright kiln originally developed in Germany were built.

Constructed of locally made red brick, these kilns were utilized for the production of portland cement. By 1900 this region provided the nation with 75 percent of its cement and had been the scene of a number of technological breakthroughs like the development of the rotary kiln.

In the long run, this growth, which was made possible by Saylor and his company, enabled the United States to become the world’s leading producer of cement, manufacturing by the 1920s four times as much as Great Britain, its nearest competitor.
The Coplay Cement Company Kilns are located on North Second St., in Coplay.

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