The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2011
Filed:
Sep. 18, 2009
Applicants:
R. Allan Snyder, Eagleville, PA (US);
Richard S. Duncan, Royersford, PA (US);
Inventors:
R. Allan Snyder, Eagleville, PA (US);
Richard S. Duncan, Royersford, PA (US);
Assignee:
CertainTeed Corporation, Valley Forge, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B 1/00 (2006.01);
U.S. Cl.
CPC ...
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.