ASHRAE-90.1-2022- - Page 265

Extracted Content

Table A8.2 Assembly U-Factors, Assembly SHGCs, and Assembly Visible Transmittances (VTs)

Wood, vinyl, or fiberglass frames

Metal and other

frame types

enestrationCol2Col3Col4Col5Col6
Glazing TypeGlazing TypeGlazing TypeGlazing TypeGlazing TypeGlazing Type
Glazing TypeClear GlassClear GlassClear GlassClear GlassClear Glass
Glazing TypeU-FactorSHGCVTU-FactorSHGC
Single glazing1.250.820.761.250.70
Glass block0.600.560.56NANA
Double glazing0.600.590.640.600.42
Triple glazing0.450.520.570.450.34
Double glazing0.900.680.660.900.50
Triple glazing0.700.600.590.700.42

ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 263