Concrete blocks are prefabricated materials primarily used for constructing walls. Similar to bricks, these blocks are stacked together and bonded with mortar, typically composed of cement, sand, and ...

Q: I’m thinking of buying a dilapidated old frame house in the country. It has a stone foundation that seems to me to be too close to the ground. Are stone foundations adequate and strong? Is it ...

Concrete blocks. Ever since manufacturers developed techniques to make them cheaper than traditional clay-fired bricks, concrete blocks have been one of our most ubiquitous construction materials.

Loren Burnett, the CEO of Prometheus Materials in Longmont, thinks it's time to reconsider the concrete block. His company's proposed alternative is a "bio-cement" first developed at the University of ...