RRJ News

Events Calendar

Sarah Flock is a panelist on "Working Together to Minimize Air Barrier & Vapor Retarder Issues" at the 2020 Chicago Roofing Contractors Association (CRCA) Trade Show & Seminars held during Roofing Week in Chicago at the Drury Lane Conference Center, Oakbrook Terrace, IL more

Kurt Hoigard presents "A Perfect Storm: Indiana State Fair Collapse" at the American Bar Association Forum on Construction Law Midwinter Meeting in Tucson, AZ more

RRJ is an exhibitor at the Community Associations Institute Illinois Chapter, 2020 Condo-HOA Conference & Expo at the Stephens Convention Center, Rosemont, IL more


Raths, Raths & Johnson, Inc. is an engineering, architecture, and forensics consulting firm that provides investigative, design, repair, and testing services for building structures, enclosures, and materials. Our expert services cover both structural engineering and architectural fields with proprietary field and laboratory testing capabilities to perform assessments, evaluations, and design for repair, renovation, and new construction.