An Informational book on the U.S. Government’s official guidelines for preserving historic homes.
Why is it called “Portland” cement? Joseph Aspdin, an English mason who patented the product in 1824, named it Portland cement because it produced a concrete that resembled the color of the natural limestone quarried on the Isle of Portland, an island in the English Channel. The Wide World of Cement There are many different […]
Throughout history, those in the building trades have built structures that would last a lifetime. This is apparent from a large number of buildings and houses that are well over 50 years old and remain occupied. In today’s building industry, it is essential that members of all the various trades strive for this kind of […]
Fly Ash? Fly ash is the fraction of combusted coal that becomes suspended in plant flue gases. The fly ash available for beneficial use is captured primarily by mechanical particulate collection devices, such as an electrostatic precipitator or baghouse. The remaining fly ash that passes through these particulate collection devices either escapes into the atmosphere […]