Building Science

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Major Surgery for a Failing Fat Wall

The worst decades for building science weren’t in the 1800s; they were late 1970s... More

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Monitoring Home Performance

Doug Horgan shares some strategies for keeping tabs on condensation, temperature... More

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Avoiding Wet Roofs

Peter Yost explains the building science behind common moisture problems in attics... More

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Getting SIPs Right

In his latest newsletter, Joe Lstiburek revisits problems that can occur when SIP... More

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One Building-Science Book to Lead Them All

JLC editor Clay DeKorne sits down with Allison Bailes to discuss topics relating... More

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Retrofit Air-sealing

Phil Armand describes the tools, materials, and methods he uses to air-seal leaky... More

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Building Science Instruction

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Single-Point vs. Multi-point Blower Door Testing

Randy Williams explains the differences between these two types of tests, and when... More

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Calculating House Volume for Blower Door Tests

The only way to accurately measure air changes per hour is to accurately measure... More

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Setting Up a Home for a Blower Door Test

Blower door testing a home requires much more than simply setting up the equipment... More

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