Understanding Concrete, Cement, and Mortar | Ask This Old House
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Understanding Concrete, Cement, and Mortar | Ask This Old House
Host Kevin O'Connor explains the differences between three popular masonry materials. (See steps below.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Steps for Understanding Concrete, Cement, and Mortar: 1. Portland cement is a fine gray powder that hardens when mixed with water. It's seldom used by itself but is an ...
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