How Do You Build A Block Wall Fence?
Building a block wall fence requires a poured in place concrete footing to support the wall, #4 steel re-bar in the footing (known as horizontal reinforcement), and #4 vertical rebar reinforcement that will be set in the footing and project upward to approx 3″ below the finish height of the wall, which in most cases is 6 ft for a standard fence. This vertical reinforcement is required at a minimum of 48″ apart for non reinforced block walls. The concrete footing should be 12″ wide x 12″ deep with (2) runs of horizontal rebar, one at 4″up from the bottom and the other 4″ down from the top, along the center line of the footing. Rebar lengths should be lapped a minimum of 16″ and tied in (2) places at each lap with #4 wire. Rebar cannot contact the soil at any point. The type of block commonly used is CMU, (concrete masonry units) and the standard size is 6″ wide x 16″ long x 6″ tall, each. The number of block required will be the length of the wall, x’s the height, divided by 1.75 and th
