Keystone Certification and Quality Assurance Programs

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Keystone’s third party certification, inspection and quality assurance programs enable manufacturers to demonstrate compliance with energy efficiency programs, the ENERGY STAR® program, building codes, marketing claims, and utility and tax rebate programs.

  • Fenestration - NFRC IA Certification

    NFRC Licenses Keystone is a National Fenestration Rating Council (NFRC) licensed Inspection Agency (IA). The NFRC Certification Program offers fenestration (window and door) manufacturers a third party verified, nationally-recognized method for demonstrating product U Factor, Solar Heat Gain Coefficient (SHGC) and other energy performance characteristics.

  • Insulating Glass Certification Program

    ANSI Accredited Keystone’s Insulating Glass Certification Program is an ANSI-accredited third party quality assurance program specific to the insulating glass (IG) fabrication aspect of the fenestration product. The implementation of IG program requirements will lead to improved seal durability and longevity of IG units.

  • Metal Roof Certification & Listing Program

    Innovating to simplify how metal roof covering manufacturers demonstrate International Code Council IRC & IBC compliance. Keystone engineers assess compliance with this Program and ICC AC166, Acceptance Criteria for Metal Roof Coverings requirements and issue industry-leading Evaluation Reports.

  • Thermal Insulation Certification Program

    Keystone’s EPA recognized Thermal Insulation Certification Program was developed to qualify building envelope insulation manufacturers and their products for the Seal and Insulate with ENERGY STAR® Program. Keystone can help insulation product manufacturers navigate the new requirements effective May 23, 2012.