Raths, Raths & Johnson, Inc.

Raths, Raths & Johnson, Inc. (RRJ) is a national engineering, architecture, and forensics consulting firm that provides investigative, design, repair, and testing services for building structures, enclosures, and materials. RRJ employs an evaluation methodology that combines knowledge of building sciences and construction materials with the firm's field/laboratory testing capabilities to deliver an integrated approach to assess and resolve structural and building enclosure behavior and performance issues.

Areas of Expertise