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Nothing about the history of arched roofs, almost nothing about technology (or advances in building technology that have made the use of arched roofs possible), and also almost nothing about the architectural or aesthetic dimension.
An arched roof is a roof shape that is similar to the barrel roof , but in contrast to it is less arched. It is often made from cambered , bent sheet metal. An elliptical cross-section is appealing.
As the example of the segmental vaults , which have become increasingly popular in the United States since 2000 , the use of arched roofs can shape an entire architectural style.
Individual evidence
^ Virginia Savage McAlester: A Field Guide to American Houses. The Definite Guide to Identifying and Understanding America's Domestic Architecture . 2nd Edition. Knopf, New York 2013, ISBN 978-1-4000-4359-0 , pp.674 .
