TR-8 Fenestration Thermal Values and Ratings

TR-8 Fenestration Thermal Values and Ratings

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1RCNY IA3
U-factors of installed fenestration shall be verified by visual inspection for conformance with the U-factors identified in the construction drawings, either by verifying the manufacturer’s NFRC labels or, where not labeled, using the ratings in ECC Tables 303.1.3(1) and (2).

1RCNY IIA3
U-factors and SHGC values of installed fenestration shall be visually inspected for conformance with the U-factors and SHGC values identified in the construction drawings by verifying the manufacturer’s NFRC labels or, where not labeled, using the ratings in ECC Tables 303.1.3(1), (2) and (3). Where ASHRAE 90.1 is used, visible light transmittance values shall also be verified.
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