Wash. Admin. Code § 51-11C-40225

Current through Register Vol. 25-01, January 1, 2025

Section 51-11C-40225 - Section C402.2.5-Below-grade walls

C402.2.5Below-grade walls. The R-value of the insulating material installed in, or continuously on, the below-grade walls shall be in accordance with Table C402.1.3. The U-factor or R-value required shall extend to the level of the lowest floor of the conditioned space enclosed by the below-grade wall.

Wash. Admin. Code § 51-11C-40225

Amended by WSR 16-03-072, Filed 1/19/2016, effective 7/1/2016

Amended by WSR 16-13-089, Filed 6/15/2016, effective 7/16/2016

Amended by WSR 19-24-040, Filed 11/26/2019, effective 7/1/2020

Amended by WSR 22-14-091, Filed 7/1/2022, effective 7/1/2023

Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. 13-04-056, § 51-11C-40225, filed 2/1/13, effective 7/1/13.