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Course Description: Cascadia Windows & Doors: Closing the Gap: Leveraging Cladding Attachments to Deliver High-Performance Exterior Wall Assemblies
October 23, 2026 - 4:00 PM
Jurisdictions across North America are moving beyond traditional ASHRAE-based exterior wall assembly requirements and toward broader building energy performance standards that evaluate the envelope as an integrated system. This shift offers greater design flexibility and lower operating costs, but it also requires a closer look at how individual components, insulation strategies, and cladding attachments affect whole-wall performance. This webinar will explore thermal bridging, compare interior, split, and exterior insulation approaches, and share real-world case studies that demonstrate how integrated envelope design supports high-performance wall assemblies.
1. Gain an understanding of emerging Building Energy Performance Standards (BEPS) and compare their key similarities and differences with ASHRAE standards.
2. Explore how highly conductive wall components affect the overall effective wall R-value in a non-linear manner.
3. Review common cladding attachment systems by comparing factors such as cost, thermal performance, constructability, installation efficiency, and fire resistance.
4. Review the Cladding Support Components and Systems Product Category Rule (PCR), which govern Environmental Product Declarations (EPD) for cladding attachments
5. Understand the real-world impact of various exterior wall assembly methods on project outcomes.