A leader in the industry, Fi-Foil is a manufacturer of high performance reflective insulation products and systems. Offering an extensive line of cost effective solutions to improve energy efficiency and comfort in residential, commercial, institutional and argricultural markets. Products are ASTM tested with third-party verified performance. Fi-Foil is committed to sustainability and the advancement of green building technologies for more efficient, resilient buildings. Product Visualizers and Specification Packages available at Fifoil.com. Service. Integrity. Innovation. Since 1983.