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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July 21, 2025

Air Tightness Champs Spring 2025

Kudos to the builders and renovators recognized as our Q2 Air Tightness Champions! Your expertise and commitment to best practices are setting the bar for high-performing, energy-efficient homes.

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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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Air Tightness Champs Summer 2024

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Is It Time for Another Look at Insulated Concrete Forms?

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Sizing Heat Pumps

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NBC 2025 Proposes New, Tiered CARBON EMISSIONS Regulations for Homes and Buildings: What Does This Mean for New Canadian Homes?

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Airtightness Testing in Large Buildings

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Sizing & Selecting ASHPs for Canadian Homes & Cold Climates: There's an App for That!

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Air Tightness Champs Spring 2024

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