EXCEPTION: | The following buildings, or portions thereof, separated from the remainder of the building by building thermal envelope assemblies complying with this code shall be exempt from the building thermal envelope provisions of this code. 1. Those with a peak design rate of energy usage less than 3.4 Btu/h ft2 (10.7 W/m2) or 1.0 watt/ft2 of floor area for space conditioning purposes. 2. Those that do not contain conditioned space. 3. Greenhouses isolated from any conditioned space and not intended for occupancy. |
Fenestration U-factors shall comply with Section R303.1.3, Fenestration product rating.
Wash. Admin. Code § 51-11R-40210
Statutory Authority: RCW 19.27A.020, 19.27A.045 and chapters 19.27 and 34.05 RCW. 13-04-055, § 51-11R-40210, filed 2/1/13, effective 7/1/13.