FIRESTOP SEALANT FS-ONE MAX
Take coverage and performance to the max.
Even the best product on the market can be improved. That’s why we’ve updated the premier intumescent Firestop Sealant FS-ONE to Hilti Firestop Sealant FS-ONE MAX. With an extended shelf life, improved handling and an ethylene glycol-free composition, FS-ONE MAX is the next generation of intumescent firestop sealant.
FS-ONE MAX directly replaces Hilti Firestop Selant FS-ONE. In addition, all of our UL systems have been updated to reflect the new, improved FS-ONE MAX. That means you’ll now find more than 600 UL systems to help protect combustible and non-combustible penetrations for up to 4 hours of fire rating.
- Seal most common through penetrations in a variety of base materials
- Use on concrete, masonry and drywall
- Use with mixed and multiple penetrations
- Seal metal pipe penetrations: copper, steel and EMT
- Seal insulated metal pipe penetrations: steel and copper
- Versatile: an intumescent firestop sealant for a wide variety of penetrations
- Effective: smoke, gas and water resistant
- Workable: water-based material is easy to dispense and apply
- Paintable: trowel to a smooth finish
- Storable: long shelf life
- Cleaner: ethylene glycol-free
- Flexible: W-rated systems available
- American: satisfies Buy American standards
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