Company Profile
Fenestration manufacturers count on Keystone Certifications for world-class code and energy incentive program compliance solutions.
Our complete slate of certification and quality assurance programs and services are now ANSI and SCC accredited, NFRC-licensed, EPA recognized and building official approved across the US and Canada. We've earned an uncompromised reputation for industry-leading customer service and support.
Find out why hundreds of fenestration and building material manufacturers choose Keystone for:
- NFRC Inspection Agency (IA) Services
- Fenestration Structural / Impact / Thermal Performance Certifications
- Insulating Glass Certifications
- Quality Assurance for Florida Product Approval and internal process improvement
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Products & Information
Permanent Certification Labels
Gold NFRC/AWS permanent certification labels demonstrate certification to building officials and other end-users for compliance with building code and incentive program energy and structural performance requirements. They are typically affixed to window head concealed by a sash in the closed position, most fitting into a channel as narrow as 5/8-inch wide. NFRC permanent labels must be applied with an accompanying temporary label to be removed by the consumer after final inspection by a building inspection official.
Temporary Certification Labels
NFRC temporary labels list energy performance ratings to demonstrate building code and energy incentive program conformance to building officials and other end-users. The integrated map portion illustrates the ENERGY STAR Certified climate zones and includes the mandatory Air Leakage rating. These labels employ a low tack adhesive and are typically affixed to an interior glazing surface to be removed upon completion of the building inspection.
