The Hydroflame Pro Water Dam attaches to the top of the Pro Series cast-in-place firestop sleeves and adds a water dam barrier at the perimeter of the sleeve opening. 

Features

• Adds 2 inches of overall height to the HoldRite HydroFlame Pro Series Sleeve 
• Load-rated for riser clamp support
• Installed after concrete pour and safety cap removal 
• 4–6 in. Pipe size