Tannin (Pecan) stains on concrete slab


Old 10-25-18, 08:34 AM
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Tannin (Pecan) stains on concrete slab

Greetings! My wife and I bought a home a few months back. The front concrete driveway was added shortly before we bought it, so it's still very new. It's a great slab, but unfortunately mother nature hasn't been kind to it.

It's been unusually rainy here (central Texas) for the past couple of months. We have two mature pecan trees in our front yard, one of which hangs directly above the driveway. Rain + wind + falling pecans has resulted in our new driveway being covered in stains. It looks like the rain is going away (finally) for a good amount of time, and we'll be trying various methods to clean the stains off as best we can.

My question is, if we were to stain and seal the driveway, would that help prevent future tannin staining? The falling pecans will always be an issue, as we have zero plans to ever get rid of the tree. We considered having a carport added, but that's not too realistic, given the size, shape, and location of the driveway.

Thanks in advance for any help!
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Old 10-25-18, 08:50 AM
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Sealing the driveway will help prevent staining. But sealing that will really prevent staining could make the driveway slippery. A dry look sealer is a compromise. It will not be slippery but it will not resist stains as well as a wet look sealer.
Old 10-25-18, 09:28 AM
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We thought about the driveway potentially becoming slippery...particularly because it's pretty sloped. Thanks for the reply!
Old 10-25-18, 09:41 AM
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A concrete stain like H&C won't make the concrete as slick as a sealer will, but still slicker than bare concrete. How the concrete is finished makes a difference also. The heavier it is brushed the less slick it will be when wet.
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