In the story of insulation, first came fiberglass—and with it, the glittery, itchy, roll-out blankets called batts—ushering in a modern insulation industry that has provided increasingly efficient ...

Because warm air rises, the attic is the best place to start, particularly for those in colder climates. But any living space adjacent to the outdoors or, say, a transitional space such as a garage ...

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 ...