Add RainBloc for Mortar and allow mortar to mix for at least 30 seconds before adding final water. RainBloc for Mortar may reduce the amount of final water used. Add half the amount of final water normally used and slowly add remaining water until desired consistency is reached. Mix for an additional five (5) minutes after adding final water to ensure proper mixing.
Freeze Protection: RainBloc for Mortar must be protected from freezing. Do not store at temperatures below 32°F (0°C). The admixture is not usable after it has frozen.
Shelf life: One year in original unopened container.