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Limiting the thermal conductivity by lining the inside of our vaults with a proprietary blend of a hydrogen bond fireboard and locking it in place using a stud weld process allows Fort Knox to provide the industry’s leading fire protection. Testing this process with a full 9 sensor house simulated test and showing you the exacting details in graph and product form is the only way Fort Knox vaults are tested. Others just can’t match up.

Build & Price Your Vault

Inferno Shield Level 90

YOU DESERVE THE BEST

Fort Knox’s Inferno Shield 90 is tested to keep the inside of the vault under 350 degrees. UL Listed c-rated fireboard insulation is used on all six sides and behind the hinges to eliminate hot spots or hot pockets. Heat sensitive expanding fire seal expands to seal around the entire door on all Fort Knox vaults & safes. In addition to the high-grade UL listed fireboard and deep bend box, a dead air space is manufactured into the vault which acts as a thermal barrier, much like a thermal pane window, to give added protection. This design provides fire protection at 1680 degrees in 90 minutes.

Inferno Shield Level 120

SUPERIOR FIRE PROTECTION GETS UPGRADED

Fort Knox Inferno Shield 120 fire protection gives you the option of adding more fireboard insulation to achieve a fire rating that only commercial safes can attain. This additional fire protection will cause a slight decrease in the interior capacity of the vault interior, but it is well worth it! Protect your most prized possessions by adding the most valuable vault option, the Reinforced Fire Liner, and have your vault rated at 1680 degrees in 120 minutes.

Dual Activated Thermal Door Seal

Locked, sealed and ready to block the worst of flames.

Seal 1

Heat activated Palusol swells to seal the vault door during a fire.

Seal 2

A smoke seal is critical to protect your possessions until the expansion of the Palusol occurs.

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“…the house was totally destroyed and we lost everything… except a couple of years before the fire I purchased one of your [Fort Knox] gun safes... I was shocked when the safe was opened their was no damage to the guns or valuables.” - Steve & Mary