Insulation & Air Sealing

The premier season of Weatherization Nation was shot in NW Washington DC where we tore off an unfortunate addition to the back of a 70+-year-old brick house, and we added a two-story addition which nearly doubled the living space.

Can a wall plummet from R-50 to R-12 because of the studs?

The Model Remodel Show followed the progress of the 2017 Model Remodel project by Professional Remodeler magazine.

Furring and foam on the INSIDE for better walls in really cold places.

The @EnergyVanguard investigates an attic insulation job in Charleston, SC. #TheBadNews: from zero to nine inches thick in one roof. #BadDogNoBiscuit.

Dew point differs from relative humidity in that it measures exactly how much vapor is present. With relative humidity, it's all relative.

Snap a line, put the panel on the line and nail it, tape the seams, and where to snap that line in the first place.

Your electrician can make the insulation work better and easier to install

Insulating the shell after blower door and IR camera-assisted air sealing