Thermopane glass advert.
Libbey-Owens-Ford Glass Co.
Armstrong used Thermopane glazing from the Libbey-Owens-Ford Glass Company for the Magic Chef Building as well as many other projects, such as his own architectural office and his prototype Missouri Solar Home.
Armstrong had been a proponent of double pane glazing from at least the mid-1930s, before it was commercially available. For his Shanley Buidling of 1935, he successfully used double pane glass by employing his own custom window details.
This full page advertisement appeared in Newsweek and Time magazines. The ad's intent suggests the argument for adopting double pane glass as an industry standard. Glazing manufacturers were working to develop the public's understanding and appreciation for the benefits of such glazing systems in all building types, whether commercial or residential.