Recent Q&A

• Insulating two crawl spaces

  A friend is having some work done on his old house in upstate New York, Climate Zone 5/6. There are two crawlspace issues.

• Old house, wet brick

  The picture pretty much says it all. We had terrible ice damming this year, as did just about everyone in my area; houses both old and new saw wet walls…

• How do you air-seal recessed lights that you can’t access from above?

  I'm currently chasing air leaks in my 1850 brick farmhouse after a recent blower door test. We have five recessed lights in the kitchen and five in bedroom above the…

• Prepping the rim joist for spray foam in cold weather

  I live in upstate NY (climate zone 5 or 6; I'm right on the line) in a brick house that was built in 1850. My foundation walls are at least…

• Condensation on Windows in a 105 Degree Heated Room

  Hoping some building science folks might have some good suggestions. I'm helping a contractor friend build out a yoga studio in a commercial space. The yoga that's going to be…