When architects have questions about commercial glazing and building codes, Ray McGowan says the National Fenestration Rating Council (NFRC) can be a good resource. That, he adds, also holds true if the certifying labels have been removed for whatever reason. “We have procedures,” says McGowan, a senior program manager for the NFRC, “so call us. […]

For the past 20 years, the National Fenestration Rating Council (NFRC) has provided a fair, accurate and credible rating and labeling system for doors, windows and skylights used in residential construction. Anyone who has shopped for a residential window has seen a label similar to the one below: Ratings on the NFRC label have been […]