Portland Cement
Concrete will remain workable for at least 1 hour. To aid curing, spray surface lightly with water 2 or 3 times per day for 3 days. One 94 lb. bag of Portland Cement makes 4.5 cubic feet of concrete. For thicknesses less than 2 inches and toppings, use: 1 part of Portland Cement with 3–4 parts of concrete sand or general purpose sand.
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