Wash. Admin. Code § 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

FRAME TYPE Window and Glass Door SKY-LIGHT
SINGLE PANE DOUBLE PANE
Metal 1.20 0.80
Metal with Thermal Break 1.10 0.65 See Table C303.1.3(4)

FRAME TYPE Window and Glass Door SKY-LIGHT
SINGLE PANE DOUBLE PANE
Nonmetal or Metal Clad 0.95 0.55
Glazed Block 0.60

Notes

Wash. Admin. Code § 51-11C-303131
Amended by WSR 16-03-072, Filed 1/19/2016, effective 7/1/2016 Amended by WSR 19-24-040, Filed 11/26/2019, effective 7/1/2020

Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. 13-04-056, § 51-11C-303131, filed 2/1/13, effective 7/1/13.

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