C402.5 Air leakage-thermal envelope.
The thermal envelope of buildings shall comply with Sections C402.5.1 through C402.5.8.
Wash. Admin. Code § 51-11C-40240
Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. 13-04-056, § 51-11C-40240, filed 2/1/13, effective 7/1/13.