It's common to coat steel with a mixture of fire retardent materials during 
construction - in refineries it's code to protect stee up to a certain 
elevation - 10" perhaps - it;s been a long time since I was involved in 
that.  They spray it on with a air powered gun and it dries in place.

Perhaps it's code to protect steel in high-rise buildings?

The key though it fire retardent - not fire proof - nothing is fireproof 
forever given the right circumstances.  In refineries it;s intended to allow 
time for personel to escape and to vent some lines carrying even more 
explosive/flammable materials near the fire.  As mentioned, the steel will 
sag initially as it melts - then the bolts give way and the weight brings 
everything down.

Larry T (66 MGB, 74 911, 91 300D)
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----- Original Message ----- 
From: <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Monday, June 30, 2008 7:10 AM
Subject: Re: [MBZ] 9/11 inside job? [was: GWB]


> I'm not sure if it's still true but I've seen them spraying asbestoses (!) 
> on structural steel beams in large buildings to prevent collapse in fire.
>
> Pete
>
>
> -------------- Original message ----------------------
> From: Mitch Haley <[EMAIL PROTECTED]>
>> Steve MacSween wrote:
>>
>> > And forget using the word fire, unless you have a compelling reason to 
>> > argue
>> > why this was the first steel-framed building in history to COLLAPSE 
>> > from
>> > fire damage, and not even an engulfing fire at that.
>>
>> "The first steel-framed building in history" - where do you get that?
>> You seem to think there's something unique about that. It's not. 
>> Somewhere
>> I've got a picture of a burned out barn with steel beams drooped over a 
>> wooden
>> beam. The wooden beam retained some measure of its strength, holding 
>> itself and
>> the steel beams up. The steel beams drooped like spaghetti under their 
>> own
>> weight when they got hot.
>>
>> Mitch.
>>
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