Reinforced Block and Concrete Walls. Block foundations use cinder blocks (8 x 8 x 16 inches) that are stacked on each other and cemented in place with mortar, forming cinder block walls.

Concrete block is manufactured with a hollow-core structure that allows for optimized designs. This increases efficiency while using fewer raw materials. Puget Sound Business Journal.

One of the basic choices home buyers in Central Florida face is whether to choose a house built with concrete blocks or with a wooden frame.Block-built houses used to be the rage in Florida.