1960’S METALS INDUSTRY PROMO FILM “WALLS OF METAL” SKYSCRAPER CONSTRUCTION TECHNIQUES 59604

Love our channel? Help us save and post more orphaned films! Support us on Patreon: Even a really tiny contribution can make a difference. Note: this film was rescued and is in very poor condition, but is presented here because it is nonetheless fascinating. This 1960’s film demonstrates how metal walls for commercial as well as residential buildings are installed. It is presented by the National Association of Architectural Metal Manufacturers (:39) and opens with images of a bulldozer scooping up earth on a construction site (1:11). Workers are then seen within a metal refinery (1:17) as metals are reduced to their molten state (1:20). Powdery alumina is reduced to metallic aluminum in large electrolytic pots (1:32) and is cast into molds (1:54). After the metals are cast, they are sent to the rolling mill (2:02) until they are reduced into plates (2:35). The extrusion process for non-ferrous metals is then demonstrated (3:14). Piles which have been cut to stock len