I actually did my own in 2013, used Sherwin Williams (H&C xylene based stain) with shark grip added. This works very well except for one problem; this product does not stand up well to some automotive fluids. had the same products on the driveway for over 12 years and it was great until I spilled red paint and could not clean it up. My point consider the future use and possible spills and stains and get a finish you can live with.
Whatever you do make sure the final finish is NOT slippery when wet.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV. 
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