Updated October 29, 2015. Tin is a soft, silvery-white metal that is very light and easy to melt. Being so soft, tin is rarely used as a pure metal; instead, it is combined with other metals in order to make alloys that possess tin's numerous beneficial properties. These include a low toxicity level and a high resistance to corrosion.
Step 5 â Applying Your Pool Deck Coating. Elastomeric pool deck coating can be rolled over a concrete surface like paint. It is available in a variety of colors and textures and can be purchased from most hardware stores. Make sure you purchase a coating that it fully waterproof and weatherproof.
I did not realize you can simply paint over gel coat, I thought you had to remove it. The gel coat on my deck (my own 30 year old boat) is pretty porous, though the gel coat on the hull is still shiny. There is some crazing but nothing major.