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:
Jan. 31, 2012
Filed:
Feb. 10, 2010
Duane Paradis, Highlands Ranch, CO (US);
Christopher J. Griffin, Aurora, CO (US);
Raymond C. Swann, Kansas City, MO (US);
Joel Evan Hazy, Brighton, CO (US);
Brad C. Burdic, Littleton, CO (US);
Duane Paradis, Highlands Ranch, CO (US);
Christopher J. Griffin, Aurora, CO (US);
Raymond C. Swann, Kansas City, MO (US);
Joel Evan Hazy, Brighton, CO (US);
Brad C. Burdic, Littleton, CO (US);
Johns Manville, Denver, CO (US);
Abstract
A roofing system includes a layer of insulation boards overlying a roof deck, and a layer of cover boards overlying the insulation boards. The insulation boards include a polyisocyanurate or polyurethane foam material that has a first density. The cover boards include a polyisocyanurate or polyurethane material that has a second density. The second density is greater than the first. The roofing system may also include a waterproofing membrane overlying the cover boards.