Who Designed The Butterfly Roof?

Who Designed The Butterfly Roof? William Krisel and Dan Palmer, an American architect, are credited with the invention of the butterfly roof. The contemporary butterfly roof is often attributed to William Krisel and Dan Palmer in Palm Springs, California, in the late 1950s. They based it on the upside-down cusp pattern of a bird’s feathers. […]

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How Do You Support Roof Rafters?

How Do You Support Roof Rafters? The joists prevent the rafters/walls from spreading outward and neatly provide support for the ceiling below. Purlins and accompanying struts are utilized to provide extra support for the rafters. The purlins run perpendicular to the rafters, and the corresponding struts are positioned beneath (roughly) every fourth rafter to connect […]

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