![]() Calcium hydroxide is a component of concrete that can react with carbon dioxide to form calcium carbonate, which can lower the material’s strength and also its pH, making it more prone to corrosion. This occurs when concrete is exposed to carbon dioxide in the air. Here are a few that are important to note: There are numerous chemical reactions that can damage concrete. Cracks that are ⅛” or smaller in width and less than ¼” deep can be filled with a product like DRYLOK® Masonry Crack Filler or DRYLOK® Pourable Masonry Crack Filler to seal the area. If the cracks are seen outside and inside the structure, you should have a professional inspector determine if the problem is serious. In block or brick walls, this problem usually develops with a visible stair-step pattern. However, the issue may be more serious like a faulty foundation or poorly-mixed concrete.Īs a general rule, if the crack in a vertical wall is longitudinally running, then this could be the sign of a weakened wall - especially if the wall is bowing inside. Structural problems could mean that your home is in danger of collapse, but the common cause of cracks in slabs, poured masonry walls or block walls is settling.Īll buildings experience settling, and normal engineering practices will prevent this from causing structural damage. Cracks in concrete can be the result of structural or non-structural issues. ![]()
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