A commercial pool deck is decking for public pools, gym pools, and swimming school pools. For the most part, it includes cement and/or roughened tile, but it can also include wood or rubber. The last option, rubber, is your best bet, and here is why.  No Splinters (Among Other Things) Wood pool decks always look very nice, especially on outdoor public pools. However, the problem with wood decks (and there is more than one problem!