Recent Q&A

• Condensation concerns with pipe penetrations

  I have a few places where I have pipes that penetrate my thermal envelope and I want to determine if I have any possible condensation issues.1) My plumbing vent pipes…

• Heat pump decision time

  I have been holding off making a decision as long as possible in the hopes that a perfect solution would magically show up, but it hasn’t and I can’t hold…

• Wine cellar insulation

  Trying to finish up the wine cellar project using some leftover materials and I want to make sure I have my control layers correct here. The wine cellar has 2…

• Minimizing heat loss through fireplace framing

  I had a Kozy Heat wood-burning fireplace installed on the first floor. It is a low-emission EPA-certified fireplace and all combustion air is provided via an outside air kit. I…

• How would you insulate this?

  I need to decide how to insulate the underside of my unvented, conditioned attic. The sheathing is 5/8" Zip with 4" of polyiso on the exterior. Originally, I was planning…

• Interior furring over air barrier

  我几乎准备好了to start installing 2x3 furring strips on the flat over my interior air barrier/smart vapor retarder and I have a couple of questions:1) I was planing…

• Insulation on interior side of windows

  I am getting ready to install my interior air barrier (Siga Majrex) but I need to determine how I am going to deal a few details around my windows before…

• Front door portico detail with exterior insulation

  I have a portico at the front entrance of my house and we are going to install the permanent front door and exterior insulation and siding on the front exposure…

• Insulating between conditioned and unconditioned spaces

  Climate Zone 4 - I am trying to finalize the details for insulating the floor/ceiling between 2 unconditioned spaces (garage/root cellar) and the conditioned spaces above them and a space…

• Basement wall insulation

  I am insulating the interior of my basement walls with 2.5" EPS panels made by InSoFast. I like these panels because they are glued directly to the foundation wall and…