McCoy Foam’s experts will be happy to discuss your insulation needs, suggesting the right product and installation for you. While fiber batting can be a good solution to insulation needs in a new house where the walls have not yet been enclosed, it can pose a problem for finished homes needing insulation. That’s where blown-in insulation can be the answer, insulating even drywalled exterior walls for ****ter heating and cooling efficiency. When the winter wind in Alcorn County is blowing or the Mississippi sun is beating down, you want to be sure your insulation is doing its job of keeping you comfortable.