Can be used for joints up to a maximum of 4 inches in drainage application and 2 inches in overlay application For overlay, non-overlay, residential and commercial applications ASTM C144 gradation allows use in even the tightest joints OSHA cristalline silica compliant (OSHA 29 CFR 1926.1153) No Dust, Haze Free, No Blower, and one watering For Drainage application, Rapid Set rain safe 15 minutes after water activation. For Non-Drainage application (OVERLAYS), rain safe 24 hours after water activation. Works above 32°F (0°C) Faster insallation time Ideal for Gator Base applications Can be used on false joint pavers