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They're called composite granite sinks. But the two recently reviewed by Consumer Reports didn't look like granite. They didn't feel like granite. And they didn't even look like each other. A mixture of mostly granite and other unnamed ingredients, according to one manufacturer, most ads for composite granite sinks claim they have a durable finish. But that's not a word we'd used to describe the results of our tests.
One, the Blanco 441258 (shown), $290, cracked so severely during our blunt-impact test that it became unusable. (In that test, we dropped a 5-pound weight to simulate what happens when you drop a heavy pot.) The other, the Mont Blanc Waterbrook 79415Q, $200, excelled in the blunt-impact test but was slightly damaged in our heat-resistance test. There was also some variation between the two sinks when it came to resisting stains.
Because of those inconsistencies, we decided to keep this material out of our sink Ratings—we included six other materials and stainless steel outshines the rest. So if you want a piece of the rock, stick to granite counters, which performed well in our countertop Ratings.
—Kimberly Janeway
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