What Kind of Paint Is Used for Concrete?
Sealing the area and durability are key factors
By Stevie Donald
Concrete and masonry are fairly easy to paint. The kind of paint you choose depends on the surface. A garage floor requires a different kind of paint than an interior wall.
For most concrete, water-based or epoxy paint works better than oil-based paint because it's less likely to peel. Use regular latex acrylic wall or house paint for concrete walls. Epoxy paints provide the best durability for high-traffic areas and garage floors.
Elastomeric paint is an excellent water-based choice for exterior concrete block and aged, cracked concrete. It is very thick and fills in cracks and imperfections.
Waterproofing paint stops minor leaks and moisture seepage on damp basement walls. Like elastomeric paint, it is water-based and quite thick.
Concrete must be clean and aged for at least 30 days before painting with any type of paint. Smooth, newer concrete may need to be etched with muriatic acid prior to painting.
Priming and Sealing
Most concrete paints last longer and look better if applied over a masonry sealer or primer. Read the label on the paint you choose to see if primer or sealer is recommended and what type. In many cases, an acrylic block fill will be suggested.
About the Author
Stevie Donald is a regular contributor to DexKnows. She has been a painting contractor since 1979.
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