This chart explains how moisture behaves in the air as temperatures rise and fall—rainstorms, flooding, and glaciers in wall cavities are distinct possibilities.
Insulating the shell after blower door and IR camera-assisted air sealing
How to tell if the mix is right, how to fix it if it is not, and some other trouble-causing suspects
Everything we've got (so far) on flood resistance, cleanup, and recovery.
18 Videos, articles, and animations showing you how to get through Section 1 of the Energy Star Thermal Bypass Checklist. It is about the continuity between various components of the air barrier system and the thermal envelope.
How to extend the life of a foam kit
Roof framing, window options, and a mechanical advantage add up to lower bills and a higher quality home
Matthias Wandel has a pretty extensive history devising ways to trap mice. The winters are long in Canada, and Matthias seems to have no shortage of mice in his shop.
Bigger bottles and boxes for bigger coverage
Low-e coatings screen infrared heat from moving through the glass, either inward, outward, or both
Simple upgrades to steps you take anyway can significantly boost the energy performance of a home
How to inspect, assemble, put on, and seal-test a respirator for low-pressure spray foam application
Outside insulation is an effective way to keep heat in. The devil is in the details, such as this one
Like an out-of-plumb wall, an insulated and unvented roof can work well—or not.
Closed Cell, Open, Cell, High Density, Slow-Rise, or Fire Retardant?
Your electrician can make the insulation work better and easier to install
The first layer of foam is mostly an insulation layer; the outer layer is the air barrier and drainage plane. This video is about the first layer.
Frame the perimeter, sweep the field, repeat.
A retrofit solution that works great for a low-skill workforce—like volunteers
A saw and a knife that cut rockwool insulation like a "laser"