A federal judge has denied class certification to a nationwide group of plaintiffs who claimed that a company’s shingles were so unreliable that using them were like “playing roulette.”

On Monday, the U.S. Court of Appeals for the Third Circuit determined that a proposed class of consumers from Pennsylvania, Texas, California and Illinois, who bought Owens Corning shingles, failed to identify a defect that was common to each plaintiff’s case. The precedential ruling affirmed a decision from the U.S. District Court for the Western District of Pennsylvania, which had said plaintiffs’ theories were too broad to show that the class would be sufficiently cohesive under the predominance requirement for class certification.