Add in low temperatures.
Use only with Rapid Set® cement products.
Add to concrete, mortar or grout.
Fast is an additive that speeds up the setting time of Rapid Set cement products when experiencing extreme cold weather environments. Add 1 to 5 packets per 50-lb to 70-lb bag of Rapid Set cement product. Fast may be used with all other Rapid Set Concrete Pharmacy products.
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Fast resources available in PDF format