If you’ve been in the construction industry long enough, chances are you’ve had to remove an old mineral wool insulation product during a renovation. I know I have. It’s itchy, easily falls apart, and it often doesn’t completely fill a cavity bay. I’ve had many conversations with other builders who will not consider using a mineral wool product because of their past experiences with the older mineral wool insulations. I can tell you; the old stuff is nothing like modern stone wool.
This year seems to be a good (or bad depending on how you look at it) year for ice dam problems in my area, the intensity of ice dams seems to change year to year. I was recently on an ice dam diagnostic with an insulating contractor and a general contractor, the home was built in the early 1990’s and there is evidence there have been issues from the beginning. We spent a couple hours testing this home, I’ll get into what we found in a bit.