Brian Nelson

Envelope-first: Designing for Performance, Compliance, and Aesthetics

An envelope-first approach begins with fundamental questions, such as: What are the thermal requirements of the opaque walls?

Brian Nelson

February 25, 2026

The days of designing the look of a building and "figuring out the details later" are over. The demands of energy efficiency and fire safety require a holistic, integrated approach.

Credits: 1 AIA LU/HSW; 0.1 ICC CEU; 1 IIBEC CEH; 0.1 IACET CEU

On Demand In modern roofing systems, vapor retarders and air barriers do more than just minimize air leakage—they’re essential to maximizing performance and longevity. This engaging course dives into the next generation of moisture control: permeable vapor retarders and air barriers. Discover how these cutting-edge technologies are transforming low-slope roofing assemblies by improving energy efficiency, managing moisture, and boosting wind uplift resistance.

Credits: 1 AIA LU/HSW ; 1 IIBEC CEH; 0.1 IACET CEU

On-Demand Designing a high-performance building enclosure requires more than just surface-level protection; it demands a rigorous, performance-based mastery of below-grade water and gas mitigation. This discussion will provide an expert-level analysis of below-grade waterproofing within the comprehensive framework of the high-performance building enclosure.

Brian Nelson

ARTICLES

Envelope-first: Designing for Performance, Compliance, and Aesthetics

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