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.
An alternative to using surfacing wax in the gelcoat mix is to over spray the gelcoat with PVA, (polyvinyl alchol). The problem with this method is getting the right amount of material misted onto the un-cured gelcoat to block the air out and in gauging just when to apply the PVA.. 10 mils gelcoat-little or no additives* & no surfacing wax. 2. 10 mils gelcoat-little or no additives* & no surfacing wax. 3. 10 mils gelcoat-with additives* & surfacing wax. Allow the gelcoat to harden for several hours between coats.