Lilienthal Insulation Company has been serving the Flathead Valley of MT for more than 40 years. We are a full service insulation company for both residential and commercial customers. We also sell all of our products to the public with information and guidance for those who want to “Do It Yourself“. With over 40 years of experience in the business, we offer outstanding quality and service. We are NAHB Certified Green Professionals. We use only the best equipment and products in the field. We are the “ENERGY SAVERS” in the business and we make sure to provide our customers with the most energy efficient products for your home or business.