I live in a very common home here in Florida. Most are built from concrete block. Twenty years ago, a room was added to the home and the rear exterior concrete block wall became an interior wall.

Vertical reinforcing steel is also very important. This steel can be put in both a poured concrete foundation and a concrete block wall that will have the hollow voids filled with cement grout or ...

One way is to face the concrete block opening with treated 2-by-10 material. This lumber should be within 1/8 inch of what the width of the concrete block wall is now when you add the thickness of ...

A concrete block retaining wall comprises Concrete Masonry Units (CMUs) — blocks made of concrete. In a retaining wall, these blocks are stacked together in several courses, and capped off with ...

On the other hand, for a retaining wall over 3 feet tall, he is always going to recommend a concrete block core, complete with drain pipes, itself a far cry from our ancestors' dry stack walls.

The original block layers may not have the wall perfectly plumb or in the same plane, and one giant U-shaped form may be very hard to align if it’s one piece about 7 feet tall.

Using our electric drill (it’s a lifesaver!) we drove the concrete screws into the concrete to securely attach the rods to the wall. We used screws that are 2-3/4″ long to make sure they grab ...