If you are designing a gymnasium, big-box retail, or one of several other building types, you can still utilize integral-insulated exposed single-wythe concrete masonry (CMU) walls for code compliance. This cost-effective wall system remains a prescriptive path design option in the latest Washington and Oregon energy codes.
Tag: Energy Codes
Beneficial Mass Wall Credits Will Remain in Oregon Energy Codes
If you are designing a gymnasium, big-box retail, or one of several other building types, you can still utilize integral-insulated exposed single-wythe concrete masonry (CMU) walls for code compliance. This cost-effective wall system remains a prescriptive path design option in the latest Washington and Oregon energy codes.
Oregon:
Click here to view the SAM 21-02 – Single-wythe CMU mass wall exception, Chapter 4 (opens as PDF).
Single-Wythe CMU Mass Wall Exception
When using the optional ASHRAE 90.1-2019 code compliance method, see amendment in Statewide Alternate Method (SAM) 21-02, effective October 1, 2021.