Apr 13, 2016· Masonry units are inert, so waste on a construction site can be crushed and used as landscaping. Recycled Content. Many concrete block manufacturers use flyash and slag as a portion of their cement in their products. These products reduce the quantity of cement and thus reduce CO 2 emissions and increase the amount of recycled content. In addition, quantities of recycled aggregate .
The Sustainability of Masonry in Construction Today ...
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