Sometimes all it takes is a closer look. See, words like stone wool, mineral wool & rock & slag wool are all great terms used to describe insulation made from stone. But ROCKWOOL on its own is a trademark. In fact, it’s been our name for over 80 years with trademark registrations in over 60 countries globally. And, when it comes to sound absorption, fire resilience, and energy efficiency, people that use our products know how different we really are. So, the next time you’re working with the world’s bestselling brand of stone wool, go ahead and call us by our name.