This post first appeared on the Rockwool R-Class blog. www.rclass.rockwool.com/blog
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.