Original insulation trade vintage catalog for ALFOL INSULATION COMPANY, INC. was located in The Chrysler Building, New York, NY. Manufacturers of Alfol Aluminum Foil Insulation. Applied to insulate in sheets between wall studs, furring strips, ceiling joists or roof rafters, it actively reflect radiant heat. Used by the US Navy, railroads, steamship lines and more. Unbound from a large 1938 insulation catalog, this unique old one page technical brochure would exhibit beautifully matted and framed. A fantastic addition to your retro insulation collection.