WAC 51-11C-303131. Table C303.1.3(1) — Default glazed window, glass door and skylight U -factors

Table C303.1.3(1) Default Glazed Window, Glass Door and Skylight U -Factors Window and Glass Door FRAME TYPE SINGLE PANE DOUBLE PANE SKY-LIGHT Metal 1.20 0.80 Metal with Thermal Break 1.10 0.65 See Table C303.1.3(4) Nonmetal or Metal Clad 0.95 0.55 Glazed Block 0.60 Window and Glass Door FRAME TYPE SINGLE PANE DOUBLE PANE SKY-LIGHT Metal 1.20 0.80 Metal with Thermal Break 1.10 0.65 See Table C303.1.3(4) Nonmetal or Metal Clad 0.95 0.55 Glazed Block 0.60