Hardie Board, WonderBoard and Durock are all classified as cement boards. These sheet goods are made with a mixture of Portland cement and sand instead of the powdery gypsum that’s used in drywall.

Question: This summer I’ve got a few outdoor projects that involve pouring small amounts of concrete. I looked into having a ready-mix truck do it, but the cost is so expensive. I’ve seen the bags of ...

Making cement for concrete involves heating pulverized limestone, clay, and sand to 1,450 °C with a fuel such as coal or natural gas. The process generates a lot of carbon dioxide: making one metric ...

An alum’s cement alternative could significantly reduce carbon dioxide emissions from concrete production. Last summer, in the dusty basement of a building in Seattle, workers poured about 60 tons of ...