Building Science Blog

Discover relevant and practical information at the leading edge of high performance residential construction, created and curated by industry training experts and real contractors. Whether you need building science research or construction details and advice, you’ll find it here – anytime you need it.

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June 22, 2026

Air Tightness Champions Spring 2026

A big congratulations to the next group of Air Tightness Champions! Your focus on airtightness and building performance is making a measurable impact on the homes being built today.

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Air Tightness Champs Fall 2024

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Air Barrier Detailing in Attached Housing: Compartmentalization

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What Counts When Counting Carbon

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Under-Slab Insulation - Impact on Basement Comfort, Moisture Control and Indoor Air Quality

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Optimizing Winter Humidity and Water Use

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Net Zero Ready Home Energy Monitoring System

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The Mechanisms and Measurement of Air Leakage in Houses

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WUFI on the Side: A Quick Intro to Hygrothermal Modeling of Standard Walls and Why Code Walls With 6 Mil Poly VB May Be the Riskiest for Builders

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Climate Adaptation & Mitigation Is Coming to a Building Code Near You

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