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Technical Information on Building Materials for Use in the Design of Low-Cost Housing – 40. Materials Used in Bituminous Built-Up Roofing



Release Date: 
November 1936 (4 pages)
Posted Date:   
June 1, 2020



This historic digest is part of a series published by the U.S. Department of Commerce’s National Bureau of Standards on the technical characteristics of building materials used in the construction of affordable housing units. Each digest presents condensed, essential facts regarding its given topic, and is intended for use by staff at federal agencies, manufacturers, trade associations, and builders. This publication discusses materials used in the construction of roofs composed of layers of bitumen-saturated felt. The previous digest, #39, also addressed the topic of bituminous built-up roofing.


This report is part of the collection of scanned historical documents available to the public.

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Note: Guidance documents, except when based on statutory or regulatory authority or law, do not have the force and effect of law and are not meant to bind the public in any way. Guidance documents are intended only to provide clarity to the public regarding existing requirements under the law or agency policies.