Cinder Blocks


Cinder Blocks for sale

Construction with masonry units like cinder blocks is one of the oldest, most established building techniques. Over the years, new techniques have made these units strong enough to last for generations. As such, concrete masonry units continue to fill an important roll in modern day construction. As a local supplier,  National Block can provide a large quantity of blocks, in many shapes, sizes, colors and textures. This includes cinder blocks, but not by that name.

Cinder Blocks By Another Name

Some concrete masonry units (CMUs) are still commonly referred to as cinder blocks.  They are rectangular blocks made from a mixture of Portland cement, aggregate, and water. The term cinder block comes from a period where cinders where used as a aggregate material. In the earliest versions of these units, they would use residue and ash that was left behind after burning coal in the construction of these blocks. However, this is now a colloquial term. Truth be told, there haven’t been actual “cinder” blocks manufactured since just after WWII. So what are they?

Difference Between Cinder Blocks and Concrete Blocks

Modern cinder or breeze blocks are made with fly ash and are lightweight and can have a more textured appearance. Concrete blocks are made stronger and typically used in most construction projects. Good for load bearing and non-load bearing walls, professionals refer to them as CMUs or Construction Block.  However, when choosing CMUs, the decision to use one or the other it ultimately comes down to the type of construction they will be used for. In that regard, builders and Architects will still use cinder blocks in there construction projects.

Cinder Block Projects

While these are not as popular in modern construction of buildings and other structures, they are still used in many types of projects. Some popular applications for them are:

  • Garden Walls
  • Raised Garden Beds
  • Outdoor Furniture
  • Retaining Walls
  • Outdoor Grills and Fire Pits
  • Utility Structures

These common applications are perfect for light weight and textured blocks.

Alternative Materials

In addition, there are alternative materials used in masonry construction instead of cinder blocks:

The use of these depends on a variety of factors. Some may be obvious, however, others uses are more specialized. Not to mention that cost of a project is one of the most important determining factors.

When it comes to buying block National Block’s experts make it pretty simple. It doesn’t matter how you refer to the block, select the type and sizes you need and our experts will make sure you have everything you need. Questions? Check out our FAQs or contact us for more information and guidance.