Hollow Block

Concrete masonry units (CMUs), sometimes referred to as hollow blocks or hollow concrete blocks, are the workhorses of the construction industry. Their reasonable price, simplicity of use, and passable performance make them popular. Here is a thorough explanation of hollow blocks that ought to deal with all of your queries:

• Contents: composed of concrete, which is a blend of cement, water, sand, aggregate (crushed rock or gravel), and cement.
• Form: Either square or rectangular with one or more sizable spaces or cavities through the middle. Envision a rectangular donut! Of the entire block volume, the empty area might range from 25% to 75%.