I had a company come in and do a polyaspartic coating. I have a gravel back alley and lots of salt and sand in the winter. It has stood up, but I have only had it for 2 winters. I use Jack's on it and use it as a shop. It looks as new except I can see faintly where I park our daily vehicles but I have never tried pressure washing it. I usually garden hose it off and/or use a water rv broom to brush it off then squeegee. They did tell me that it can be patched without issue if ever needed. If I had a paved street I bet it would still all look as new. One of the biggest parts of the job was cleaning out everything and removing shelving and work benches plus rolling my lift out. I had just short of 1100sqft done.
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