HoldRite HydroFlame Drop-In & Under Deck Accessories are the essential finishing components for a complete, code-compliant firestop system. Built to support a wide range of penetrant types and deck configurations, these accessories ensure safe, efficient, and professional installations.
From UL-listed steel sleeves that seal horizontal cores in precast and hollow core decks to OSHA-compliant safety caps that protect open holes, each accessory is engineered for performance and reliability.

• UL-listed steel sleeves for horizontal penetrations in precast and hollow core decks
• Safety caps sized for standard fire-rated wall widths and OSHA hole cover compliance
• Compatible with floor drains, shower drains, and closet flanges
• FBC-compatible for CPVC piping systems
• Mold and mildew resistant (ASTM G21 tested)
• Designed to integrate seamlessly with HydroFlame Drop-In and Under Deck Devices