Title: Johns-Manville Corrulux Catalog
Publication Date: 1960
There is a diagram showing the installation details for skylights and one of the items labeled is "standard asbestos ridge-roll assembly." Also "corrugated transite or metal" is shown.
Johns-Manville Corrulux Shatterproof Fiber Glass Panels
7 page catalog
Date: The date code 9-60 is on this catalog. This catalog was removed from a 1961 collection.