ATBECHDEDKESFRGBGRITLILUNLSEMCPTIE......FI....CY..TRBGCZEE....SK................JDIM360 (Ver 1.5 21 Nov 2005) - 1620000/01643053EUROPEAN PATENT APPLICATIONA320060412EP06000315.92002080220060109enenen310031 P20010803US331808 P20011120US2006041220061520060405200614E04D 1/26 20060101AFI20060202BHEP deDachsystem und DachschindelnenRoofing system and roofing shinglesfrSystème de toiture et bardeaux de toiture102756903.7141259220020802Elk Premium Building Products, Inc.02159511E 8759/raSuite 1000, 14643 Dallas ParkwayDallas, TX 75240-8871USKiik, Matti2500 Springwood LaneRichardson, TX 75082USMcLintock, Michael Allen4117 Heartstone DriveGrapevine, TX 76051USBryson, Michael1320 S.W. 22nd StreetBlue Springs, MO 64015USBeattle, Kevin L.7304 Bryers CirclePlano, TX 75025USNemec, Haraldet al00086763Kopecky & Schwarz Wipplingerstrasse 32/221010 WienATATBEBGCHCYCZDEDKEEESFIFRGBGRIEITLILUMCNLPTSESKTR20060412200615

A roofing system having a multiplicity of courses of roofing shingles and interply material comprising at least one course of interply material overlapping at least about ten percent of a first course of shingles and a second course of shingles overlapping at least a portion of the interply material and the first course of shingles. More than about 40% of the first course of shingles is exposed after installation. The roofing system has a class A fire resistant rating. Roofing shingles having particular utility in the roofing system of the present invention are also disclosed. In preferred embodiments the shingles have an exposure width of at least about 60% of the shingle, more preferably at least about 64% of the width of the shingle.