Owens Corning develops, manufactures and markets insulation, roofing, and fiberglass composites. The company’s market-leading businesses use their deep expertise in materials, manufacturing, and building science to develop products and systems...

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Envelope Efficiency Essentials: Navigating the 2024 IECC and ASHRAE 90.1-2022 Thermal Bridging Requirements

The 2024 International Energy Conservation Code (IECC) fundamentally shifts how the thermal performance of building enclosures is designed and evaluated. In the 2024 IECC Chapter 4 Commercial Energy Efficiency, compliance now requires design teams to account for linear and point thermal bridging, as does ASHRAE 90.1-2022, which is incorporated by reference. This impact will notably change how design professionals consider typical building details like parapets, cladding attachments through continuous insulation, window perimeters, and more. Through a side-by-side review of previous and current requirements, this course will bolster design professionals’ understanding of the steps needed to address thermal bridges and how to incorporate these results in prescriptive path, performance path, and COMcheck compliance calculations. By examining the updated air leakage testing requirements codified in the 2024 IECC, professionals will learn to decipher whether whole-building air leakage is mandatory or if the air barrier design and verification approach will apply to their project. This course will explore the practical impacts of the new energy code requirements, reveal strategies for meeting compliance, and share tools that can help design professionals stay ahead in a rapidly changing energy code landscape. This course welcomes both new and experienced design professionals alike. Those with a basic understanding of building enclosure-related heat transfer and fundamental calculation methods will benefit most from this course.

Approximately 1 hour. Delivered via webinar or face-to-face presentation. Available sessions shown below.

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This course is registered with: 2 Industry Association(s)

Date & Time Delivery Location Contact
Thursday, October 30, 2025 at 12:00 CDT (UTC-05:00) Webinar N/A (Webinar) Drew Clausen (OC), Jason Acosta (RDH), Voytek Gretka (RDH)
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