Slate Roofs – National Slate Association – 1926 (Full Text)

A Handbook of Data on the Constructing and Laying of All Types of Slate Roofs

Also see our Slate Roofing and Historic Roofing pages.

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The National Slate Association also produced a “completely new guide to slate roofing”, Slate Roofs – Design and Installation Manual, in 2010, “84 years after the original ‘Slate Roofs’.”

Here is the original text of the 1926 slate book that remained the standard authority on slate roofing for decades: