Building Science at UL Information

CLEB, a UL company is a privately owned building envelope consulting and testing firm comprised of a dynamic and experienced team of highly specialized professionals, with thought leadership and global Centers of Excellence based out of the Montreal and Chicago headquarters. Our team is made up of engineers, architects, technologists and specialists in building science, offering a wide range of building science services, including building envelope testing services, building forensic services, and field testing and building system commissioning services for architects, building owners, manufacturers and others in the building construction markets. Our laboratory facilities are accredited by the major North American certification organizations, serving the industry’s needs with respect to the evaluation and certification of building envelope systems and components.