Has anyone had river rock for a number of years? If so, can you comment on its durability and frequency/cost of maintenance (sealing)? We had a quote on it but were then told that it needed annual sealing at $1 per sg ft. Of course this information came from someone who offers a different type of outdoor flooring and I'm not sure I can believe them.
Also, how slippery is it when it gets wet? we love the look of it, but are concerned about durability, maintenance and slipperiness.
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