2024 IECC Commercial Envelope
Presented as a live, full-day course at the 2025 Colorado Chapter of ICC Educational Institute, Jay Crandell, P.E. and Thomas Culp, Ph.D. cover the importance of the building thermal envelope in the context of the 2024 International Energy Conservation Code. The presentation slides cover:
- Construction Documents (C105)
- Compliance Path (C401.2)
- Building Thermal Envelope Certificate (C401.3)
- Climate Zone (C301) & Interior Design Conditions (C302)
- Insulation and Fenestration Product Requirements (C303)
- “Hot Topics” for Compliance and Enforcement
- Opaque Assemblies (C402.1 – C402.4)
- Fenestration & Daylighting (C402.5)
- Component Performance Alternative (C402.1.4)
- Air leakage (C402.6)
- Additional Efficiency/Renewable/Load Management “Credits” (C406)
- Total Simulated Building (C407)
- Existing Buildings - Envelope Alterations (C503.2)
- Key Differences from 2021 IECC