cinder block

Encyclopedia Article


Also known as concrete masonry units or cement blocks, cinder blocks are rectangular blocks made of concrete that are used in basic construction projects, such as wall construction. Because they are formed to be hollow in the center, cinder blocks retain most of the structural integrity of concrete but only possess a fraction of the weight, making them relatively versatile building units. Construction sites often have leftover cinder blocks that can be used for a variety of house or garden projects.

Photo Credit: 

"Someone fixing to build something with cinder blocks, July 14, 2005" by Taber Anderw Bain is licensed under CC BY.

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