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.
Click here to view the full article by Tom Young (opens as PDF).
Oregon:
Click below to view the SAM 19-01 – Single-wythe CMU mass wall exception, Chapter 4 (opens as PDF).
https://www.oregon.gov/bcd/codes-stand/documents/sam-19-01-18IECC.pdf