Recent Q&A

• Embodied carbon of cellulose insulation

  I'm having a surprisingly difficult time finding some numbers for the embodied carbon in cellulose insulation. Anyone have a good source for this info? I thought it would be but…

• Detailing wood framed parapets

  I'm looking for anyone who has some parapet detailing experiences or opinions to share! Context is a wood framed 2-unit residential building with a flat roof with a TPO membrane,…

• AC fan speed and sensible vs. latent cooling

  I understand the basic idea that a lower fan speed on an AC unit shifts the balance more towards removing humidity, and a faster fan speed shifts the balance more…

• Best way to improve airtightness when re-siding

  我在做一个t的改造项目he client is re-siding their whole house in cedar shingles, as well as redoing the roof, adding some dormers, etc. The new roof…

• Are there any examples of Joe Lstiburek’s Ideal Double-Stud Wall in the wild?

  This is the wall I'm talking about: https://buildingscience.com/documents/enclosures-that-work/high-r-value-wall-assemblies/high-r-value-double-stud-wall-construction?topic=doctypes/enclosures-that-work/etw-high-r-value-enclosure-assemblie It's a double stud wall with the interior studs bearing, and sheathing applied to the exterior of the interior studs to form…