A reminder that the following addenda that are currently mandatory which include interim addenda: • SDC 300: Addendum 89i – Handheld Watt Meters – Authorized March 30, 2025 • SDC 300: Addendum 83i – CMU Insulation Grading and R-values – Authorized December 20, 2024 • SDC 200: Addendum 80 – Graded Field Evaluations, Probationary Ratings and Probationary Models – Mandatory January 1, 2025 • SDC 300: Addendum 78f – Sampling – Mandatory January 1, 2025 Visit https://www.resnet.us/about/standards/minhers/ for information on current MINHERS standards as well as those out for public comment, and historic standard information.
