In a NAIMA/Insulation Institute blog, author Stacy Fitzgerald-Redd answered a frequently fielded question regarding insulation: What is the typical lifespan of fiberglass and mineral wool insulation?

“We know there are many misconceptions about fiberglass and Mineral Wool Insulation products' performance and longevity, so pointing out research that can help dispel myths is often necessary,” Fitzgerald-Redd says. In a recent blog, she urges builders to point to the following two studies when fielding insulation questions: