Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2011
Patent Application Number
12562329
Date Filed
September 18, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for insulating and ventilating a space between rafters for supporting a roof includes, an elongated insulation mat having an integral baffle, at least one channel on a roof facing side of the baffle for passage of ventilating air, and at least one vapor permeable membrane covering at least a portion of the insulation mat facing the channel, wherein each vapor permeable membrane transmits water vapor emanating from the insulation mat.
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