The HydroFlame patented cast-in-place technology is an engineered solution that is lab tested and UL-rated to deliver the ultimate in cast-in-place water, smoke and firestop performance. Internal and external water seals offer double protection against unwanted water intrusion. Its mid-body seal allows for contraction and expansion of piping systems and the surrounding concreate floor slab while still protecting against the spread of water, smoke and gas. Safeguard property from water damage and mold while protecting life against the dangers of fire, gas and smoke spread with HydroFlame.