Concrete peeling is a common problem that can be caused by a variety of factors, including corrosion of steel reinforcing bars, building movement, and oxidation within structural reinforcement. When left untreated, this issue can lead to costly repairs and even life-threatening damage. In this article, we'll discuss the causes of concrete peeling, the potential risks associated with it, and the cost of repairs. Concrete chipping occurs when steel reinforcement inside a concrete slab begins to rust. As the steel rusts, it expands up to five times its original size, displacing the concrete and causing it to flake.
This process can be accelerated by water entering the affected area, leading to further damage. The most common cause of concrete chipping is corrosion of steel reinforcing bars embedded in the concrete matrix. Other ferrous elements such as steel-framed window systems, handrails, structural I-beams, and metal pipes and ducts can also cause damage. When calcium oxide reacts with water, it produces a solution of calcium hydroxide that reacts with carbon dioxide in the air, transforming into calcium carbonate and causing cracks in the concrete surface.
This allows more water to penetrate and further damage the structure. In some cases, contractors may add extra water to the concrete as they finish it or start finishing before the concrete bleed water leaves the surface. This can also lead to chipping and splitting in older concrete structures. If you're buying a new property near the ocean, you should look for any tiles that have been made on the concrete slab, driveway, foundation, walls, roof, trails, etc. This can help you identify any potential issues before they become more serious. Fragment in the concrete is classified as a construction defect and must be disclosed to insurers as part of the homeowners' corporations' duty of disclosure.
The cost of repairs will depend on the extent of damage and whether a less expensive repair can be carried out. If you notice signs of flaking or cracking in your concrete structure, it's important to act quickly before more damage occurs. While each property may be different in terms of time frame and cost of repairs, it's important to address this issue as soon as possible.