[TheForge] fire resistant safe

[Dan Brewer]

All of the safes that I have had a chance to play with used two inches of
drywall to insulate the inside.  Kawool/board would work to add a higher
degree of insulation.  You can purchase a vault door.

Dan in Auburn

On Tue, Feb 24, 2009 at 4:47 PM, Peter Fels & Phoebe Palmer <
artgawk at thegrid.net> wrote:

> Build a big, elaborate safe and put your valuables elsewhere.
>
> terry l. ridder wrote:
> > hello;
> >
> > i am researching fire resistant safes.
> > i need a fire resistant safe roughly the size of a 18 cubic ft
> > refrigerator. most of the safes i have looked at only offer 30 minutes
> > in an average residential fire and that is allowing the interior of
> > the safe to reach 350 degrees fahrenheit.
> >
> > while at dinner last saturday night with several friends we were
> > discussing the fire resistant safes on the market and pondered
> > whether we could build a half dozen for our own use.
> >
> > there are obvious requirements. there are several not so obvious
> > requirement.
> >
> > obviousily the door and shell should be hardened against being simply
> > drilled or sawn. the shell and door need to ensure that the internal
> > temparature of the safe does not get about 212 degrees fahrenheit during
> > the average commericial fire. we all agreed that there is nothing
> > currently known to man that would withstand an oxygen lance or one of
> > those other peircing torches on the market. if someone wants to get
> > inside the safe bad enough they will eventually get inside the safe. it
> > just takes time and money.
> >
> > what alloys to use for the safe will require some research on our part.
> > what should be used for the insulation and for the interior of the safe
> > shell, is the difficult part. one of my friends joked that the interior
> > shell should be made of tungsten since it has such a high melting
> > temperature and is a tough metal. that would put the fire resistant
> > safes not economically. several said that older safes that they had
> > seen used concrete for the insulation layer. the old courthouse used
> > granite slabs for the insulation layer and had armor plate for the
> > exterior shell.
> >
> > so basically, what should i be looking for in either an all ready built
> > fire resistant safe or in building a half dozen for my friends and my
> > private use?
> >
> >
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