Q–We have an older wood frame home outside Chicago that was built in the 1920s. It has hardly any insulation. A contractor we contacted recommended loose-fill insulation. Can you tell us a little bit ...

Wool has an ancient history when it comes to use in homes. Prehistoric civilizations used rock wool to insulate their homes and it was a seemingly popular choice through the Middle Ages as sheep ...

One of the toughest decisions in green building is the choice of insulation. Each type has its own set of virtues and problems. Last summer I wrote an article to try and address this confusion. I didn ...

Nova Scotia has thousands of superfluous kilograms of wool, so researchers at Dalhousie University decided to stuff it in walls to see if it would work as home insulation. It turns out it can do the ...