If you have started planning an air sealing or insulation project, it is likely you have heard countless different opinions on loose fill insulation and which is best between fiberglass and cellulose. It is important to be aware of the fact that many contractors out there will tout the benefits of the materials they sell, and their opinions will be formed based on buying decisions rather than facts. At WoW, we have installed all types of insulation materials, and our recommendations are always based on scientific and quantifiable results. In this article, we will be discussing the difference between cellulose and fiberglass insulation so you can make an informed, fact-based decision for your insulation or air sealing project.
