Building Science Corporation company blog
BSI-001: The Perfect Wall
The perfect wall is an environmental separator—it has to keep the outside out and the inside in. In order to do this the wall assembly has to control rain, air, vapor and heat. In the old days we had one material to do this: rocks. We would pile a bunch or rocks up and have the rocks do it all. But over time rocks…
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Life, Learning & WritingDesign & UX2019
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Linked from 31 Hacker News comments by 11 different people, from Jan 2019 to Jul 2026.
Most recent:
- throw0101a · Jul 4, 2026
- throw0101a · Dec 10, 2025
- nanomonkey · Jun 13, 2024
- throw0101b · Mar 28, 2024
- throw0101b · Mar 28, 2024
