Does humidity affect documents stored in a fireproof cabinet?

Yes. The insulating material in some fireproof cabinets releases moisture over time, which can raise the humidity inside the cabinet and potentially damage paper, photos, or other hygroscopic materials. This is especially relevant in high-humidity climates. Use moisture-absorbing packets (silica gel) inside the drawers and consider ventilating the cabinet briefly once or twice a month. Media-rated (Class 125/150) cabinets are designed with tighter humidity control for sensitive materials. OfficeFurniture2go.com — call 1-800-460-0858.