COMPOSITE ROOFING BOARDS AND METHODS FOR INSTALLING A COMPOSITE ROOFING BOARD
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United States of America Patent
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Issued Date -
Jul 21, 2011
app pub date -
Jan 21, 2010
filing date -
Jan 21, 2010
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Abstract
Composite roofing boards and methods for installing a composite roofing board are presented herein. In one embodiment, the roofing board comprises at least nine layers: two outer polymeric layers; two adhesive layers disposed between the two outer polymeric layers; two inner polymeric layers disposed between the two adhesive layers; and a substrate layer disposed between the two inner polymeric layers. A polymeric adhesive, such as an acrylate-polymer adhesive, is preformed on an outer surface of the first and/or second outer polymeric layer. A removable release liner, such as a siliconized polyester film, covers the polymeric adhesive.
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