Difference between revisions of "Add Concrete to Existing Concrete"
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Over time, concrete hardens and becomes less porous. Hardening can cause imperfections. Additionally, concrete can sink into the underlying ground. Hardening or sinking can make a concrete slab unlevel, in which case water may puddle on concrete. A common method of resolving this issue is to add an additional concrete layer over the top of the current surface. If you are experiencing an unlevel concrete patio, driveway, or sidewalk, you may wonder how to add concrete to existing concrete. For a small patch, you can use a thinner coat. A complete recover job requires a thicker coat. | Over time, concrete hardens and becomes less porous. Hardening can cause imperfections. Additionally, concrete can sink into the underlying ground. Hardening or sinking can make a concrete slab unlevel, in which case water may puddle on concrete. A common method of resolving this issue is to add an additional concrete layer over the top of the current surface. If you are experiencing an unlevel concrete patio, driveway, or sidewalk, you may wonder how to add concrete to existing concrete. For a small patch, you can use a thinner coat. A complete recover job requires a thicker coat. | ||
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== Steps == | == Steps == | ||
# Choose a concrete mix with the right aggregate for the job. Aggregate is an additive - usually sand or stone - added to the cement mix to make it cheaper. For a very thin coat, you should choose a small aggregate. Larger aggregates cannot be used in thin coats. | # Choose a concrete mix with the right aggregate for the job. Aggregate is an additive - usually sand or stone - added to the cement mix to make it cheaper. For a very thin coat, you should choose a small aggregate. Larger aggregates cannot be used in thin coats. | ||
