Whether you’re a manufacturer or a builder, CSA Group will provide comprehensive standards solutions and testing & certification services for factory-assembled windows, doors and other fenestration products. We work closely with organizations including the American Architectural Manufacturers Association (AAMA) and the Window & Door Manufacturers Association (WDMA) to develop and maintain balanced standards.
CSA Group certifies a wide of products.
- Prime and replacement windows
- Side-hinged door systems
- Single and dual pane windows
- Sliding doors
- Tubular daylighting devices (TDDs)
- Unit skylights and roof windows
Testing & certification
We provide testing & certification and energy efficiency verifications services against the following U.S. and Canadian standards:
- AAMA/WDMA/CSA 101/I.S.2/A440 – North American Fenestration Standard/Specification (NAFS) standards for windows, doors, and skylights
- CSA A440S1 – The Canadian supplement to North American standards
- CSA A440 series – Standards for Energy Performance (ER Ratings)