![[Photo] A 1936 photograph showing the application of Dutch Lap roofing using a metal clincher to anchor exposed corners (Johns-Manville promotional catalogue).](asbestos3a.gif "[Photo] A 1936 photograph showing the application of Dutch Lap roofing using a metal clincher to anchor exposed corners (Johns-Manville promotional catalogue).")
Johns-Manville promoted the direct application of their asbestos-cement shingles over worn roofing in this 1936 catalog. The Dutch Lap roof being applied here was easy to install and utilized a metal "clincher" to anchor exposed corners. (Home Owners' Catalogue, A Guide to the Selection of Building Materials Equipment and Furnishings, F. W. Dodge Corporation, 1936. Courtesy of The Sweet's Group-The McGraw-Hill Companies, Inc.)