NFRC 100A-2010 Procedure for Determining Fenestration Attachment Product U-factors Author(s) National Fenestration Rating Council Organization(s) NFRC Publication Date January, 2010 Description Standard providing a procedure for determining fenestration attachment product U-factors.
NFRC 200A-2010 - Procedure for Determining Fenestration Attachment Product Solar Heat Gain Coefficient and Visible Transmittance Author(s) National Fenestration Rating Council Organization(s) NFRC Publication Date January, 2010 Description Standard for determining fenestration attachment product SHGC and visible transmittance.