Recent Q&A

• Ground source cooling — no heat pump ?

  I've been reading a lot of the questions and comments on different variations of ground source heat pumps, I've been kicking around an idea for while that may be unconventional…

• Perlite in wall cavity recommendations.

  I have a 2x4 wall cavity that is only about 5" wide. The cavity contains a steam pipe which is uninsulated. The cavity is obscured by another wall that makes…

• Insulating outside wall for an in-wall toilet

  Hello everyone, I am considering a wall mounted toilet that has the tank in wall. This would be on an outside wall. I am located in New Jersey 20 minutes…

• Taping seams of tongue and groove sheathing

  Hello, I am remodeling a powder room in a 1928 brick colonial. While the wall is open I would like to air seal and insulate the cavities from inside the…