< Caulk
Hercules® Firestop Caulk

Key Features & Benefits
- Tested & Classified for Fire Resistance
- Can be used with:
- Metallic pipes including steel, iron, or copper pipe and tubing
- Nonmetallic pipes, conduits & tubing including PVC, CPVC, ABS, and PEX; Electrical & electronic cabling including service entrance, power distribution, computer, telephone, and televisio
- Metal ductwork including HVAC, bath, and dryer vents
- Insulated pipes including heating, cooling, and condensation applications
- Complete wood floor fire stopping package for electrical, plumbing, HVAC, telephone, and television
- Can be used in systems where dynamic movement is expected
- Expands up to 10 times to block flame propagation
- Excellent smoke seal
- Water-based for easy cleanup.