Have you ever heard of a concrete masonry unit (CMU)? What about a cinder block? You may be surprised to learn that they are one in the same. Cinder blocks also go by breeze blocks (New Zealand), hollow blocks (Philippines), and besser blocks (Australia). No matter what you call them, cinder blocks, these lightweight blocks are an essential in the construction industry.
How Are Concrete Masonry Units Made?
Cinder blocks are made from very dry, stiff cast concrete mixtures of Portland cement and aggregate. The mixture is placed into a mold, vibrated and compacted, demolded, and cured. The most common size is a nominal 8-by-8-by-16- inches.
Why the Hollow Centers?
Most cinder blocks are created with two holes, creating semi-hollow center. But why? Well, the answer is two-fold. Cinder blocks are created this way to reduce weight (without compromising strength) and improve insulation (standard sized blocks have an R-Value of 1.11). That’s what we like to call a win-win!
Additional benefits include:
- Non-combustible
- Durable and long lasting
- Can be reinforced as needed
- Contain recycled materials
- Do not contain volatile organic compounds (VOCs)
- And More!
Common Uses of Cinder Blocks
Cinder blocks, when combined with concrete columns, tie beams, and rebar, are commonly used for load-bearing walls in what is known as “concrete block structure” (CBS) construction. All types of low-rise buildings – both residential and commercial – are made using these blocks.
Concrete Masonry
While it may seem simple, cinder blocks need to be laid by professional, skilled masons, like those found at PTG Enterprises.
PTG is a full service commercial concrete masonry contractor in the Baltimore, Maryland area. We’re experts at masonry jobs, whether it’s repairing retaining walls, architectural elements, dumpster corrals or storm drains, PTG Enterprises knows how to handle it.
We’re a paving company that knows how to hit the bricks!
If you have any questions about Concrete Masonry, please contact PTG Enterprises today by calling 410-636-8777, or click here today! You can check us out on Facebook and Twitter as well!
