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FIRE CLASS RATING
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#1 Posted : 21 September 2005 14:30:00(UTC)
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Posted By Jim E. We have a building on site originally 20 years old that contains an insulation foam injected between two steel profile sheets. I have had a composition test on the material and identified that it is polyurethane. Is there a Fire Class Rating for insulation used in buildings.
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#2 Posted : 21 September 2005 15:31:00(UTC)
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Posted By Robert. Steel enclosed PUR has 30 min fire rating
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