Our built world is full of dirty secrets. So many of the things we imagine to have little impact on our environment turn out to be remarkably unsustainable. Concrete, bricks, asphalt—we encounter ...
Research shows that combining silica fume, fly ash, and manufactured sand in concrete significantly boosts strength and ...
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.
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