Wash. Admin. Code § 51-11R-20221
Current through Register Vol. 24-23, December 1, 2024
U-FACTOR (THERMAL TRANSMITTANCE). The coefficient of heat transmission (air to air) through a building component or assembly, equal to the time rate of heat flow per unit area and unit temperature difference between the warm side and cold side air films (Btu/h . ft2 . °F) [W/(m2 . K)].
UNHEATED SLAB-ON-GRADE FLOOR. A slab-on-grade floor that is not a heated slab-on-grade floor.
Wash. Admin. Code § 51-11R-20221
Statutory Authority: RCW 19.27A.020, 19.27A.045 and chapters 19.27 and 34.05 RCW. 13-04-055, § 51-11R-20221, filed 2/1/13, effective 7/1/13.
Reviser's note: The brackets and enclosed material in the text of the above section occurred in the copy filed by the agency.