Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jayant B. Kandalgaonkar1
Date of Patent
April 17, 2007
1Patent Application Number
107047571
Date Filed
November 12, 2003
1Patent Citations Received
Patent Primary Examiner
Patent abstract
A roofing shingle for enhanced wind/rain durability embodies two transverse lines of adhesion. A first discontinuous line of adhesive joins the butt edge of an overlying shingle to the underlying shingle. Secondly, a band of sealant adjacent the top edge of an underlying shingle seals against an overlying shingle to prevent penetration by wind driven rain to the roof deck. A reduced headlap is thereby permitted, thereby either reducing shingle size or extending shingle coverage. Exposed portions of the sealant band improve the erosion resistance of underlying shingles.
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