The blocks are then reinforced with rebar placed vertically in the holes or cells and filled with concrete. Advertisement Block walls can also be used to form stem walls that support a slab above.

Fastening to concrete looks difficult, but with the proper tools and techniques, it’s a snap. Here’s how to use concrete screws for your home projects.

Drill one hole and install that fastener first. ... When you’re fastening foam boards to a concrete or block wall, make sure ...

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 .