[Greenbuilding] Fire ratings and P U foam

[Keith Winston]

For reference: the Sun is 11,000 F (6000C).

Keith


Michael Smith wrote:
>  I have talked to the Fomo Foam company MYSELF. The E84 fire rating requires a fire resistant coating resisting fire to 1022 degrees F. Fire stop materials must prevent fires to over 1500 degrees F. So much for the 400 degree melt point. 
>  The company's statistics also show that 43% of companies suffering a fire close or are out of business in 3 years. Protection from fire is critical . 
>  the 10,000 degree temperature is reached in 3 minutes of the fire being full blown. 
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