Insulation & Air Sealing
How to inspect, assemble, put on, and seal-test a respirator for low-pressure spray foam application
Your electrician can make the insulation work better and easier to install
Roof framing, window options, and a mechanical advantage add up to lower bills and a higher quality home
Bigger bottles and boxes for bigger coverage
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.
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
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?
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
If you can't build to stay dry, build to tolerate wet
Make a route for drainage, protect the structure, and use water-tolerant materials to rebuild