Firelock® is the gold standard for protective enclosures, offering the only 4-hour fire rating for paper documents, digital media, and artifacts:
Class 350 four-hour rating for protecting paper documents
Class 150 four-hour rating for microfilm, computer equipment and historic artifacts
Class 125 four-hour rating for computer media, digital records and sensitive server equipment
FIRELOCK® vault chambers are designed with an integrated vapor barrier to ensure that high moisture levels or steam cannot penetrate the vault walls and damage backup tapes, IT equipment, historic documents, business records or other information assets stored within the FIRELOCK® vault.
Eliminating steam or high moisture levels is critical to protecting computer media. UL 72 testing specifications mandate that vault and safe environments must not exceed 125°F (52°C) or a relative humidity above 80% for the duration of the rating within the vault chamber.
Fireproof vaults are classified in terms of an interior temperature limit and a time in hours. Three temperature limits are employed: