Design and Performance of Roofing Systems with SPF

Abstract

VER THE YEARS, many academic and research organizations attempted to O develop a comprehensive method for evaluating the performance of all components and systems in a building. Though the development ofa universal performance-evaluation system so far has eluded professionals, some limited and focused attempts were more successful. One of them was started by the Roof Systems Research (RSR) Committee ofthe polyurethane contractor’s organization, which preceded the current SPF division of the SPI Inc.