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We also now include a special 2 foam roller handle with pad and mini-tray for easier application to vertical and larger surfaces. How long will it take me to do? It takes about 45 minutes to prep a standard tub, and maybe an hour to properly apply the first coat. Then 4-5 hours of drying time and then a second coat.
Generally speaking, roof coatings take 8-24 hours to thoroughly dry. The time span difference really depends on weather conditions. Dew and high humidity will cause the coating to take longer to dry. Hot temperatures with dry weather will allow the coating to dry at a much faster rate.