HydroFlame Drop-In & Under Deck Firestop Devices provide firestop solutions for core-drilled holes in concrete floors with non-metallic, metallic, or insulated metallic penetrants. Devices are designed for use on corrugated metal, flat form, and precast decks and can be installed from the top or bottom side of the deck with or without a pre-existing penetrant.

• Modular design allows for installation from the top or bottom side of the deck
• Integrated attachment features allow for installation with standard 1/4 in. expansion bolts or screw anchors
• Under Deck Devices sized to span the pitch of corrugated decks for easy installation, regardless of hole position
• UL-listed steel sleeve accessories allow for sealing of horizontal cores in precast/hollow core decks
• Tested to ASTM E814, UL 1479, and CAN/ULC S 115 Testing Standards
• UL systems available for all concrete thicknesses 2-1/2 in. to 12 in.
• Available for 1/2 in. to 6 in. plastic, metallic, and insulated metallic pipes