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Five Popular Finish Options for Concrete Countertops
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Part of the appeal of concrete countertops is the wide range of surface finishes that are possible, from mirror smooth to stone-like textures. Some countertop fabricators use the surface of the form itself to impart the finish, reproducing its texture in the concrete. Others will trowel the concrete surface to produce unique hand-crafted textural effects. The concrete can also be polished after it's cast to achieve ultra-smooth, seamless surfaces. Polishing is also used to expose decorative aggregate, glass, or stone within the concrete, resulting in terrazzo-like finishes. Here are examples and design ideas for all of these popular finish options.
Jim Peterson, The Concrete Network
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Wood-Grained Finish
Wood-grained finishes can easily be achieved in concrete by using a technique called board forming,which involves casting the concrete in forms lined with real wood planking or wood-grained form liners. The roughness of the unfinished wood imparts a distinct wood-grain texture in the concrete surface. See these examples:
Concrete Goes Back to the Ranch
Concrete Table Mimics Reclaimed Wood
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Polished Finish
Polishing or sanding concrete countertop surfaces after they're cast results in a smooth, flawless finish. The gloss level can range from low luster to ultra-shiny, depending on the degree of polishing. For ultra-smooth polished surfaces, cast the countertop in one piece to eliminate seams.
A Concrete Countertop Captain Ahab Would Love
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