 CALGARY, Alberta, June 24, 2021 GLOBE NEWSWIRE -- DIRTT Environmental Solutions Ltd. DIRTT TSX: DRT, NASDAQ: DRTT an interior construction company that uses proprietary software to design, manufacture and install fully customizable environments, announces that it has expanded its litigation against Falkbuilt a company started by two of DIRTTs founders Mogens Smed and Barrie Loberg, and continues to aggressively pursue Smed, Loberg and Falkbuilt via four separate lawsuits across North America, as outlined below. 