If the blocks are not level, you may need to cut them in half with a diamond saw. Finally, if you have any gaps in your wall, fill them with surface-bonding cement. After this, add a layer of paver base to the bottom row of blocks. However, this will also help the final wall stand up to heavy rains. Once each row of blocks is laid, make sure the backfill is tamped down to ensure it is flat. This will keep the mortar from softening as it is exposed to water. Place a small amount of backfill beneath each block. The pattern used for each course will vary depending on the purpose of the wall. The second course of blocks must be level, flush, and staggered. When constructing a block wall, you must be careful to level each brick so that it is even in both directions.įor this to happen, the first layer of bricks should be placed firmly. After the wall is completed, you can backfill the remaining space with soil or gravel for extra support. This will help to ensure that your wall is stable and secure. When you are finished building the wall, fill in both sides of the trench with soil and tamp it down firmly. Make sure to lay each block as level as possible while keeping in mind that a 1/2-inch gap should be left between each block. Once the footings have been dug and prepared, you can begin laying your blocks. Make sure to mix some gravel into the bottom of each trench before you begin laying the blocks. Make sure that these trenches are at least 1 foot deep and 12 inches wide. Then, use a spade or power auger to dig two trenches along this line. Start by measuring and marking a line parallel to your proposed wall’s location. Digging The Footingsĭigging the footings for your block wall is one of the most important steps in the building process. This will allow you to check the alignment of your first course of blocks. Concrete wall blocks are the easiest to work with, but stone wall materials are also available.Īfter you’ve decided on the blocks and the material you’ll need, you should set up a level. You can choose from a variety of building products and colors. A block wall is a great way to add privacy to a backyard or garden.
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