An Informational book on the U.S. Government’s official guidelines for preserving historic homes.
What you are, speaks so loudly that people oftentimes do not hear what you say. The Cement Industry of the United States has established for itself a position of such permanence and importance in America’s industrial life, that neither arguments nor eulogies are needed to gain public recognition and appreciation for this great business.
The raw materials needed to produce cement (calcium carbonate, silica, alumina, and iron ore) are generally extracted from limestone rock, chalk, shale, or clay. These raw materials are won from the quarry by either extraction or blasting. These naturally occurring minerals are then crushed through a milling process. At this stage, additional minerals are added […]
The Importance of Clean Sand Sand generally composes 80 percent of a stucco wall, and because it is the primary ingredient, it is vital that the quality of the sand be controlled. Imagine a bucket filled with tennis balls and different sized marbles. The marbles are filling in the spaces between the tennis balls. Cement […]