![]() These materials can flex a little because they’re not held together by mortar or concrete. Retaining walls built out of loose rocks, wood, stacked stones or brick without mortar, large stones or paver blocks require a compacted stone footing.So they need a super strong and stable base to hold them together. Solid masonry walls are stiff and unable to flex because they’ll crack. Large masonry retaining walls built out of rigid materials like concrete, cinder blocks, cement or brick need a concrete footing.Every retaining wall needs a footing, but what type depends on the design, material, height and weight of the wall. ![]() They can be built out of wood or masonry materials like brick, paver blocks, stone or concrete. Retaining walls can also be paired with fences to make steep drops safer. They can be built on the side of a highway to hold back rock falls or in a garden to form a flower bed or terraced walkway. The purpose of building a retaining wall is to create flat and level areas of Earth. If your yard slopes down or has a steep incline then a retaining wall can make the ground level. Retaining walls are built to hold back, a.k.a retain, dirt that could collapse or erode without the wall.
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September 2023
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