Recent Q&A

• How to insulate a cathedral ceiling from within the rafter bays

  I have a zone 7 1840s house-and-a-half style house, with the second floor walls going about 4 ft up, then sloped cathedral ceiling for another 3 ft up, capped by…

• Plastic sheeting under concrete wall against existing foundation

  So when i put up my addition, the addition's foundation is a full basement. It will therefore be somewhat below the height of my century home's existing basement. To prevent…

• Larsen truss with veranda (roof and deck)

  So I'm considering the Larsen truss for my addition. 2x4 load bearing walls on 16" centers, 1/2" plywood on top for shear, poly on that for vapour barrier, followed by…

• How to insulate a stackboard house?

  I have an old house, built in 1840, and with an addition put on around 1900 or so. The original house is stone, and the addition is made from stackboard.…

• Can a foundation drain to daylight double as a radon vent?

  这是probably a dumb question, but I'm looking at putting in an addition this spring, and was looking at ways of draining it and stumbled onto radon mitigation.…

• Humidity control other than plug in De/humidifier

  Hi All, I was wondering if there are any methods for controlling extreme humidity in the summer and extremely dry conditions in the winter that could be automatically implemented (other…