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Last edited 25 Jan 2021
Concrete masonry unit CMU
A concrete masonry unit is a standard-sized, pre-cast, concrete rectangular block used in construction. CMU blocks may also incorporate industrial wastes or other types of recycled materials. Breeze blocks (also known as cinder blocks in the US) are created when fly ash is added to the aggregate. The different materials that are incorporated into the mixture can produce various colours.
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