It is a must-have feature of a depository safe. The high-quality models will have this feature, but some models do not offer enough protection against fire. So, while purchasing one, you must check it on the label, specification, or product description. You can even ask for it from the seller. Having a fireproof box will protect your valuables and give you peace of mind regarding documents or money, even in the case of disasters. So, it is good to go for fireproof boxes. If any accident happens, there is a chance that the documents will remain safe till the emergency service reaches.