DECRA Roofing Systems Inc. announced that the company recently achieved a quality milestone by earning ISO 9001:2008 certifications. ISO 9001:2008, published on Nov. 14, 2008, is the latest edition of the International Standard. DECRA Roofing Systems’ quality systems have been continuously maintained and reviewed since 1993 when the company’s Corona facility was first certified to ISO 9001:1997; in 2003 DECRA certified to ISO 9001:2000.