Painting concrete, even with a clear sealant, is beneficial to keep your concrete from cracking. Some may last much longer if the area is protected from the elements or seldom tread upon. Most brands suggest that you apply a new coat every 3–5 years, depending on use. Some brands also suggest using an etching primer (which makes very small etches in the concrete) to help the product stick to porous concrete surfaces. If painting a concrete retaining wall or the cement walls of a basement, the paint will need to hold back moisture and water, which takes a special-made paint.ĭo I need to prime concrete before painting?ĭepending on the paint that you choose, you may have to use a primer.
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