Fire resistant roofing products
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United States of America Patent
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Aug 12, 2014
Grant Date -
Oct 9, 2008
app pub date -
Mar 27, 2008
filing date -
Apr 4, 2007
priority date (Note) -
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Abstract
A fire resistant roofing material includes a core sheet and a sheet of conductive material having a thermal conductivity greater than about 25 W/m-K. The sheet of conductive material is coextensively bonded with the core sheet, and coated with a polymer-modified bituminous material having fire-resistant properties.
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