(September 3, 2015, 10:20 AM EDT) -- URBANA, Ill. — Plaintiffs seeking certification of a class of consumers who purchased organic roofing shingles manufactured by IKO Industries Inc. that allegedly curled and cracked prematurely say in a reply brief filed Aug. 28 in Illinois federal court that the shingles’ failure to satisfy all of the requirements of American Society for Testing and Materials (ASTM) standard D225 creates a common issue for all class members that predominates over individual issues (In re: IKO Roofing Shingles Products Liability Litigation, MDL 2104, No.09-md-2104, C.D. Ill.)....