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Post Occupancy Performance Evaluation of "Time of Installation" Factors - A Seven Year Study of SPF Roofing

abstract: Over the past couple of decades, quality has been an area of increased focus. Multiple models and approaches have been proposed to measure the quality in the construction industry. This paper focuses on determining the quality of one of the types of roofing systems used in the construction industry, i.e. Sprayed Polyurethane Foam Roofs (SPF roofs). Thirty seven urethane coated SPF roofs that were installed in 2005 / 2006 were visually inspected to measure the percentage of blisters and repairs three times over a period of 4 year, 6 year and 7 year marks. A repairing criteria was established after a 6 year mark based on the data that were reported to contractors as vulnerable roofs. Furthermore, the relation between four possible contributing time of installation factors i.e. contractor, demographics, season, and difficulty (number of penetrations and size of the roof in square feet) that could affect the quality of the roof was determined. Demographics and difficulty did not affect the quality of the roofs whereas the contractor and the season when the roof was installed did affect the quality of the roofs. / Dissertation/Thesis / M.S. Construction 2013

Identiferoai:union.ndltd.org:asu.edu/item:20815
Date January 2013
ContributorsGajjar, Dhaval (Author), Kashiwagi, Dean (Advisor), Sullivan, Kenneth (Committee member), Badger, William (Committee member), Arizona State University (Publisher)
Source SetsArizona State University
LanguageEnglish
Detected LanguageEnglish
TypeMasters Thesis
Format35 pages
Rightshttp://rightsstatements.org/vocab/InC/1.0/, All Rights Reserved

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