AzQkr

Looks roomy too..

My wife thinks it is a walk in closet

HRnTX, the barter system is alive and well, we're swapping time for each others skills

Brownie

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Pete

Miggy and Bark'n...

the best way I know to make steel fire retardant is foam, safes have a foam filled cavity between the two walls, it prevents heat transferring.
Obviously in a single wall design this won't work but you can still apply a foam to help the fire rating. remember after the attack on 9/11 there was much talk about the WTC not having foam coating on the steel girders, and how that is now mandated?
Find out (maybe from Codes) what that stuff is and spray it on the safe. Better than nothing.

A1C Lickey

What type of foam are you talking about?

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Pete

I don't know what it is called, I said that in the last line - I don't build anything like the sort of stuff where I would have to use it. But the Codes office would know.
It's the stuff they spray on exposed steel I beams to stop them getting too hot in a fire.

SonofASniper

The sheetrock idea is one way to fireproof the safes and it is used in some brands of safes. The more layers, the more fire proofing you would have. Sheetrock is used to make firerated walls in buildings. I believe durock or hardiback has the same properties.

AZQkr- I would also like to point out a potential weakness in the design. The locks that you have chosen might be resistant to all but the largest bolt cutters, but can be cut through very quickly with a grinder with a zip disc, a sawzall, or even reasonably fast with a quality hacksaw. I have made short work of those types of locks before. Even looking past those, I would be concerned if you used a mild grade steel to build the safe. If so, those latches for the locks are even more vulnerable than the locks themselves. Perhaps modifying the design to make the locks semi internal like you would find on a job box tool locker would be something to consider.

.02 - To the best of my knowledge, the WTC did have fire retardent foam on the girders. The big issue was that the foam was not installed in a way that it would be impact resistant. The foam was litterally blown off, thereby leaving the steel exposed to extreme heat. Some codes have been changed since then to address these issues. But remember, I am not an engineering expert who was involved in the investigation. That is simply what I have been told through my profession.

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AzQkr

SonofASniper;

Thanks for the info. A hacksaw can't get on the shackle, but there is enough room for them to use an electric grinder as you mention. I don't think anyone who gets in would have that equipment with them, at least the first time around.

I'm not worried about a pro who has the ability to get past everything but a bank vault, but tweekers and kids who might try to get into it after they have entered the house and find it.

I've hardened the house with a product the pentagon and white house went with on all the windows after 9-11 [ shatter/blast proof laminates ] so they can break glass but can't get in through those potential avenues, as well as secondary decorative outside security doors. If anything the garage is the entry point most vulnerable right now.

Thanks again for the heads up from everyone.

Brownie

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Pete

Agreed, most garage doors are little more than weatherproofing, they aren't as secure as people think.

Super Trucker

Looks great, and very cost effective. Good job.