Have you ever wondered how things are made? Like Cement, find out how many of the objects we use become the things they are. Watch as “How It’s Made” reveals the methods and materials of Cement.
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 […]
HOW TO MAKE CONTINUOUS INSULATION WORK PREFACE Energy code regulations, particularly California’s Title 24, require a more prevalent use of continuous insulation (CI) overall framed walls. The CI design approach is intended to prevent or minimize the thermal transfer often referred to as “thermal short-circuiting” or “thermal bridging.” This is related to the natural […]
History Plasterwork is one of the most ancient of handicrafts employed in connection with building operations, the earliest evidence showing that the dwellings of primitive man were erected in a simple fashion with sticks and plastered with mud. Soon a more lasting and sightly material was found and employed to take the place of mud or slime, […]