This CERT ensures accessibility standards compliance under the Americans with Disabilities Act (ADA), covering design, infrastructure, and usability criteria for products and facilities to be accessible to individuals with disabilities.

This CERT verifies a standardized laboratory and field test method for measuring the operating force required to open and close sliding windows and doors by applying direct manual force to the movable sash or panel.

This CERT verifies the energy performance ratings of windows, doors, and skylights based on standardized testing and simulation methods to provide accurate and comparable energy efficiency metrics.