The main purpose of insulation is to create a barrier that prevents heat from escaping during the winter and keeps heat from entering during the summer. In regions like Paducah, where temperature extremes are common, insulation with the correct R-value can help. Contact Us: (270) 727-5566 Visit Us: https://armored-insulation.com/ https://tumblrblog.com/understanding-the-r-value-of-insulation-whats-best-for-paducah/