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House Fireproof Safe Ratings — How to Determine If Your Secure is Fireproof


Want to Amplify a Safe

With these tests for the home fireproof safe, it might explode. This article tells you how you can test a fireproof house safe to determine if it satisfies the standards for fireproof ratings established by The Underwriters Laboratories. Please note that I use the term fireproof interchangeably using fire resistant; technically, they could be recycled interchangeably. I also recommend that you don’t try this in your own home. It’s far too expensive and risky.

Material Needed

1 . You will want a minimum of two identical property fireproof safes. You will need one-third fireproof home safe if you need to do the explosion test again.

2 . Select some docs that you can use for a test. Be sure it is something that you can save but don’t use a blank report; otherwise, you won’t know if it is readable or not. We’ve contemplated using my BULL CRAP degree as an electrical executive. I haven’t used it for decades. If you are testing a growing media safely, then you may want several CDs that you get intended for Christmas and can’t stand. Get a flash drive and recollection stick, also.

3. And so forth furnace big enough for you to heat one safe simultaneously. If you’ve watched MacGyver or perhaps the A-Team, I’m sure you may improvise. Otherwise, check out a neighborhood pottery kiln.

4. Get some good protective gear. Oven baseball gloves will not do well opening a secure that has been heated to only two 000 degrees F.

your five. Somehow, you will need to find several thermometers and recording equipment to let you know the internal temperature in the fireproof safe. My spouse and I don’t think an Oregon Research weather station will work if you are testing for the UL 125 rating. It will also measure humidity.

6. You will probably need to measure the outer temperature of the safe. All the best! Finding a cheap thermometer that goes far to 2 000 diplomas.

7. Oh, I virtually forgot. You will probably need a smaller crane to hoist the house fireproof safe with 30 legs in the air while it is still sizzling. A quick release will also be essential for the drop test.

Eight. At the bottom of the drop examination, you will need a pile of bricks on the cement slab.


In case you have assembled all the materials above, it might be good to discover what the different UL rankings mean and the criteria which will determine a successful test. Each one of the ratings can be used for a fireproof safe, but it is useless unless you specify how long the actual safe will meet the regular.

UL 350 – The actual safe must keep the interior temperatures below 350 degrees. That’s below the average temperatures for most paper products to burn, char, or turn out to be useless.

UL 150 may be the rating for tapes, ink cartridges, microfiche, and microfilm. While keeping the interior at or below 150 degrees, humidity must be below 85%.

UL 125 is the standard for diskettes. In this case, the temperatures cannot exceed 125°F as well as 80% humidity. This standard is outdated because most people don’t shop for diskettes anymore.

Heat Examination

The first test is to find out if your fireproof home secure will protect the material for the specified length of time. You have to start at average space temperature and humidity. Masse your safe with your examination material and haul it to your furnace.

Heat your furnace to the following conditions (all Fahrenheit) for the analysis you want to run, then that safe in the furnace. Be mindful that when Shadrach, Meshach, and Abednego were tossed in a superheated furnace, the blokes assigned to the task were killed by the heat.

e 1, 550 for a ½ hour rated safe
e 1, 700 for a 60-minute rated safe
o one particular, 850 for a 2 hr rated safe
o one particular, 920 for a 3 hr rated safe
o only two, 000 for a 4 hr rated safe

Leave the house fireproof safe in the central heater for ½ to some hours. Here comes typically the kicker. Don’t remove the harmless after the allotted time; merely turn off the heat and let the idea cool down inside the furnace. When you have a perfect furnace, like the versions that the guys at UL have, that would take up to 68 hours.

You’ll need to track and record the interior temperature during the get hot and cool down phase. The house fireproof safe flunked the exam when it went above the rating. When it gets plenty of to open, you will need to check your examination contents to ensure they are nevertheless promising.

Impact Test

I believe the heat test was pretty dull. The impact test may appear far more fun and doesn’t take if. For this test, you do not need your first home fireproof safe. Start the same as before, but the instances and temperatures in the central heater will be less.

o thirty minutes at 1, 460 degrees for a ½ hr rated safe
o a half-hour at 1, 550 diplomas for a 1 hour rated harmless
o 45 minutes at one particular, 640 for a 2 hr rated safe
o 1 hr at 1, 700 for the three and 4-hr rated safes

This aspect sounds like a TV sports show. You now have only two minutes to get the safe outside the furnace, lift it 30th feet in the air, and decline it onto your pile involving bricks. If you can see the internals through any cracks or perhaps the door, your fireproof harmless flunked the second test. Nonetheless, if it still looks FINE, you aren’t done yet.

Switch your safe upside down, along with reheating it again. On this occasion, you can remove it from the heater and let it cool. Wide open the safe and look at the contents. If almost everything is OK, including simply no moisture damage, you are almost done.

Explosion Check

If you are a fan of Mythbusters on TV, this has the prospect of being the most fun. If you only buy two safes, you will want to do this before doing the drop test.

Focus on an empty fireproof home risk-free. Heat it to a couple of 000 degrees, then open it up and stuff the test paperwork, CDs, or other substance in quickly. Bust the door shut and keep the outdoors at 2 000 certifications for another 30 minutes. If your risk-free hasn’t exploded, you are practically done. Once it has chilled enough to make sure you can deal with it, open your home fireproof safe and ensure your documents remain OK.

Congratulations, you have proved that your home fireproof safe is indeed fire-tolerant.

Mythbusters Test

non-e of your respective safes are any good anymore, so this is for those who love to see things blow up. Get yourself a stick of dynamite and also… No, I’m not proceeding there. Someone might denounce me for endangering folks.


It is much less costly and safer to just look inside your safe and see if it has a UL sticker.

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