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 range 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)