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Message:: [QUOTE="kanga, post: 366029, member: 9270"]Fire resistant (no such thing as fire proof) safes are designed to keep the interior temperature below a certain level while everything outside is burning.And it does it with water. The safe recommended by insurers is a "2-hour" safe.That basically means it can protect the contents for 2 hours at an outside temperature of something like 1,800 degrees (I forget the exact number.)The interior temp will go up to something like 300-350 degrees.That's plenty good to prevent melting. So the concern is how to prevent the moisture from doing damage.Of course at that temp the water will not be liquid; it will be steam.(That's how it keeps the temp down inside; it takes a LOT of heat to vaporize water, so the heat is vented off as water vapor.)To protect against unwanted toning in the hot, moist environment put your stuff in sealable containers such as Tupperware-type things.I say "Tupperware-type" because you obviously have to concern yourself about plastic containers that have PVC.But the container will be able to withstand 300 degrees without catastrophic failure.Microwave safe containers should work well.Glass cointainers would be a consideration too.[/QUOTE]