As far as the “I” shape, that little gap in the middle of each end allows for mortar to hold the blocks together while still having the faces of the wall “just blocks”.

What shape is a concrete block?

hollow rectangle-shaped

Cinder blocks are hollow rectangle-shaped structures typically manufactured from concrete and coal cinders that realize use in construction sites. Concrete blocks usually, on the opposite hand, are two-dimensional constructs manufactured from steel, wood, or cement.

What are the different shapes of cinder blocks?

Types of Hollow Concrete Blocks:

  • Stretcher block.
  • Corner block.
  • Pillar block.
  • Jamb block.
  • Partition block.
  • Lintel block.
  • Frogged brick block.
  • Bull nose block.


What are decorative cinder blocks called?

breeze blocks

Well, they’re called breeze blocks, and we have the scoop. Dating back to the 1930s, breeze blocks, or architectural screen blocks offer a decorative screen wall or fence with an architectural appeal.

What are those huge concrete blocks called?

Jumbo block

Jumbo block are typically used for:



Large retaining walls. Barriers to prevent vehicles from entering an area or running over something important. Traffic control. Large bins/bunkers for storing material like mulch, stone, or sand.

What are the giant concrete blocks called?

Jumbo Concrete Blocks

Jumbo Concrete Blocks: Large Concrete Blocks for Walls: Hartford, WI.