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Concrete block

"Cinder block" redirects here. For the American singer, see Cinder Block (musician). For the DC Comics character, see Cinderblock (character)
"Breeze block" redirects here. For other uses, see Breeze block (disambiguation).
A pallet of "8-inch" concrete blocks
An interior wall of painted concrete blocks
Concrete masonry blocks
A building constructed with concrete masonry blocks

A concrete block, also known as a cinder block in North American English, breeze block in British English, concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction. The use of blockwork allows structures to be built in the traditional masonry style with layers (or courses) of staggered blocks.

Concrete blocks may be produced with hollow centers (cores) to reduce weight, improve insulation and provide an interconnected void into which concrete can be poured to solidify the entire wall after it is built.

Concrete blocks are some of the most versatile building products available because of the wide variety of appearances that can be achieved using them.[1]

  1. ^ "Concrete Masonry". ncma.org. Retrieved 31 January 2023.

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