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.

Date of Patent:
Oct. 16, 2012

Filed:

Apr. 10, 2012
Applicants:

Duane Paradis, Highlands Ranch, CO (US);

Christopher J Griffin, Aurora, CO (US);

Raymond C Swann, Prairie Village, KS (US);

Joel Evan Hazy, Brighton, CO (US);

Brad C Burdic, Littleton, CO (US);

Inventors:

Duane Paradis, Highlands Ranch, CO (US);

Christopher J Griffin, Aurora, CO (US);

Raymond C Swann, Prairie Village, KS (US);

Joel Evan Hazy, Brighton, CO (US);

Brad C Burdic, Littleton, CO (US);

Assignee:

Johns Manville, Denver, CO (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A roofing system includes a plurality of insulation boards adapted for overlying a roof deck to form a layer of insulation, and a plurality of cover boards adapted for overlying the layer of insulation. Each insulation board includes a foam material that includes polyisocyanurate or polyurethane, the foam material having a first density. Each cover board includes a material including polyisocyanurate or polyurethane, the material having a second density greater than the first. The roofing system may further include a waterproofing membrane adapted for overlying the cover boards. The insulation boards and cover boards may include facers on top or bottom surfaces.


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