Technical expertise allows for diagnosing issues affecting the envelopes of existing buildings, determining the source and extent of these issues, and making recommendations for appropriate corrective measures. 

On-site technical investigation, or in situ diagnosis, is the foundation of technical expertise. 

The Partie 5 team possesses a unique expertise, developed over more than 20 years and through hundreds of consulting and techno-legal expertise cases, making it an indispensable leader in Quebec.