Wash. Admin. Code § 51-11C-40220

Current through Register Vol. 24-20, October 15, 2024

Section 51-11C-40220 - Section C402.2-Specific insulation requirements

C402.2Specific building thermal envelope insulation requirements. Insulation in building thermal envelope opaque assemblies shall comply with Sections C402.2.1 through C402.2.9 and Table C402.1.3.

Where this section refers to installing insulation levels as specified in Section C402.1.3, assemblies complying prescriptively with Section C402.1.4 and buildings complying with Section C402.1.5 are allowed to install alternate levels of insulation so long as the U-factor of the insulated assembly is less than or equal to the U-factor required by the respective path.

Wash. Admin. Code § 51-11C-40220

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

Amended by WSR 16-24-070, Filed 12/6/2016, effective 5/1/2017

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

Amended by WSR 24-16-145, Filed 8/7/2024, effective 9/7/2024

Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. 13-04-056, § 51-11C-40220, filed 2/1/13, effective 7/1/13.