The SpecSeal® Cast-In Firestop Device is a one-piece, molded plastic sleeve with an integral intumescent firestop system and a flexible smoke- and water-resistant seal. Designed for quick and efficient installation in concrete floors, it eliminates the need for core drilling while ensuring fire, smoke, and water protection. Available in multiple trade sizes and heights, it adapts to a wide variety of construction requirements.

Key Features & Benefits

• Factory-installed firestop – no additional firestopping step required
• Eliminates core drilling – saves time and labor costs
• Pre-installed smoke and water seal for added protection
• Adapts to varying concrete depths with multiple height options
• Accommodates installation from the top or bottom of the floor
• Bright yellow tube for improved jobsite visibility and safety
• Environmentally friendly materials – polypropylene and polyethylene
• UL Classified and CAN/ULC-S115 certified for up to 3-hour fire ratings
• FM Approved for selected sizes (2″, 3″, and 4″)
• Begins expanding at 320°F (160°C) with up to 250x free expansion

Applications

• Firestopping of combustible and non-combustible pipes
• Sealing around plastic, metal, insulated pipes, and cable penetrations
• Plumbing, HVAC, and electrical floor penetrations
• Use in new concrete floor construction for code compliance

Product Specifications

Available Variants