A leader in the industry, FI-FOIL® manufactures and markets high-performance reflective insulation products and systems. Offering an extensive line of cost-effective insulation, radiant barriers, air barriers, and specialty barriers to improve energy efficiency and comfort in residential, commercial, institutional and agricultural buildings. Products are ASTM tested and backed by third-party verification. FI-FOIL® is committed to sustainability and the advancement of green building technologies for more efficient, resilient buildings. Product Visualizers and Specification Packages available online. Service. Integrity. Innovation. Since 1983.