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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March 26, 2025

Air Tightness Champs Winter 2025

Announcing the first Air Tightness Champs of 2025! We applaud each builder and their dedicated teams for their remarkable commitment to achieving exceptional building standards. Keep up the fantastic work!

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Multi-Family Challenges

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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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