Buying
A fire box protects paper from heat and can be carried out under one arm. A safe resists force, and the ones in this guide state no fire protection. They are different products solving different problems, and a household with both irreplaceable papers and valuables needs one of each.
The commonest mistake in this family is buying one product and believing it does the other’s job.
Double-walled, with an insulating layer, rated by a time and an internal temperature. They are light, portable and offer no resistance to being carried away — which is why one of the four here can be bolted down, and why that is unusual.
Single or multi-wall steel, resisting force. The two in this guide state no fire protection: nothing says papers inside would survive a house fire.
Passports, certificates and deeds in the fire box. Cash, jewelry and anything a thief would want in the safe. Digital backups off-site, in somebody else’s house.
Bolt them down. An unbolted safe is a strongbox with a handle, and a fire box is one of the easiest things in the house to steal.
The commonest use, where fire is the risk paper cannot withstand.
Where a bolted-down safe deters casual theft, though not a determined attack.
Where a media-rated safe is needed, since paper survives temperatures that destroy drives and discs.
Where specific legal requirements apply and general-purpose safes are not sufficient.
| What you store | What you need | The note |
|---|---|---|
| Paper documents | A fire rating | Check the duration |
| Cash and valuables | A burglary rating and fixing | Unfixed is not secure |
| Digital media | A media rating | Lower temperature than paper |
| Anything | Bolted to something solid | Otherwise it is portable |
Safes are ignored for years at a time, which is how their locks fail. Electronic locks run on batteries that die quietly, and a combination nobody has used since installation is a combination nobody remembers accurately.
A safe is only part of an answer.
Double-walled · certified UL 72 fire protection, 30 min · key lock · bolts to the floor
A double-walled fire box with certified UL 72 fire protection for 30 minutes, from a safe manufacturer, and the only one in this hub that can be bolted to the floor.
Best for: Papers that need both fire protection and not to leave the house under somebody's arm.
≈ $425
6.2 L · UL 72 Class 350, 30 min at 843 °C (1549 °F) · fire and water resistant · key lock, 2 keys
A document box with a published fire rating: Amazon Basics states UL 72 Class 350 for 30 minutes at 843 °C (1549 °F), in a 6.2-liter fire and water resistant case with a mechanical key lock.
Best for: Passports, deeds and certificates — the papers that cannot be reprinted.
≈ $40
A5 documents · 3–8 digit code, silenceable · manual override · 1 mm (0.04 in) walls, 3 mm (0.12 in) door
A furniture safe for A5 documents with a freely programmable three-to-eight digit code, a silenceable keypad and a manual override. HMF publishes the steel thicknesses: 1 mm (0.04 in) walls and a 3 mm (0.12 in) door.
Best for: A hotel-style installation in a cupboard, where the published steel thickness lets you judge it honestly.
14 L · digital keypad · 2 override keys · concealed anti-pry hinges · adjustable shelf · 4 × AA
A 14-liter steel safe with a digital keypad, two emergency override keys kept separately, concealed hinges described as anti-pry, and a removable adjustable shelf. It runs on four AA cells.
Best for: The default household safe: big enough for documents, small enough to bolt into a wardrobe floor.
≈ $58
Two numbers: the box was in a furnace for a stated time, and the inside stayed below 350 °F — about 177 °C (351 °F), the threshold below which paper survives. A rating with only one of those numbers has told you half of nothing, and this site reports which half is missing.
Not in a paper-rated one. Drives and memory cards are damaged far below 177 °C (351 °F). The honest answer for digital backups is off-site storage, which survives the fire, the flood and the burglary at once and costs nothing.
They are different tests. Decide which risk you are actually addressing, since a safe strong against one may be weak against the other.
Yes, without exception. An unfixed safe is a container a thief carries away and opens somewhere convenient.
It happens more than people expect. Keep a record somewhere secure but separate, and know what the manufacturer's recovery process is.
Somewhere concealed and structurally solid. Bolting it to a thin floor or a stud wall does not achieve what bolting it down should.
For documents you need regularly, yes. For genuinely valuable items, a bank facility is worth comparing against your insurance limits.
Designed for: Papers that need both fire protection and not to leave the house under somebody's arm.
Its main asset: Can be bolted down — the only fire box here that addresses theft at all
Its main gap: Plastic body with fire material — resistance to force is minimal even bolted
Designed for: Passports, deeds and certificates — the papers that cannot be reprinted.
Its main asset: UL 72 Class 350 published, with both the duration and the temperature
Its main gap: Class 350 protects paper, not digital media
Designed for: A hotel-style installation in a cupboard, where the published steel thickness lets you judge it honestly.
Its main asset: Steel thicknesses published — 1 mm (0.04 in) walls, 3 mm (0.12 in) door — the Kesser in this hub states only its 4 mm (0.16 in) door
Its main gap: 1 mm (0.04 in) walls are thin: this resists hands, not tools
Designed for: The default household safe: big enough for documents, small enough to bolt into a wardrobe floor.
Its main asset: 14 liters — genuinely usable capacity for the money
Its main gap: No published steel thickness or security grade
$25 – $31
5 models
$35 – $105
7 models
$140 – $425
5 models
Device against device, already covered, inside this guide or this aisle.
The devices listed are drawn from the catalog of this site. Specifications are those the maker and the Amazon listing publish; prices are what Keepa recorded on the date shown, and both move. The order follows declared specifications, the balance between stated strengths and stated limits, and price. No device here has been installed or tested by us, and no page claims it was.
Last checked on
Prices quoted in these summaries are dated readings. The live price is shown next to each product.
Cameras, alarm kits and safes swing by thirty dollars or more across the year, and the biggest "discounts" often land at prices the same model sold for six weeks earlier. UniverTrack tracks the real price history across retailers, spots fake reductions, and alerts you when it is genuinely the moment to buy.
