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Abstract
PVC single-ply roof systems have been installed at three U.S. military facilities for long-term evaluation (10 years) in three environments. Commercial PVC systems previously had been shown to offer an alternative to conventional built-up roofing for new installations or for reroofing failed systems. Three PVC roof systems are being field tested in different combinations at Chanute Air Force Base, Ill.; Ft. Polk, La.; and Dugway Proving Ground, Utah. These tests will document the systems performance for the various weather extremes and building types at each site. In addition, the manufacturers' estimated lifetime for the roofs will be compared with actual service. As predicted in an earlier CERL study, reinforced PVC membranes were easier to install due to less shrinkage upon unrolling. Each membrane type was isolated carefully from the others to avoid interference that might affect results of any interactions between the different materials. Independent contractors installed the systems. The contractors' methods in placing the roofs will no doubt have major impact on long-term performance. Thus, it may be difficult to obtain a true performance picture for the systems installed with less care than demanded under certain conditions.
PVC single-ply roof systems have been installed at three U.S. military facilities for long-term evaluation (10 years) in three environments. Commercial PVC systems previously had been shown to offer an alternative to conventional built-up roofing for new installations or for reroofing failed systems. Three PVC roof systems are being field tested in different combinations at Chanute Air Force Base, Ill.; Ft. Polk, La.; and Dugway Proving Ground, Utah. These tests will document the systems performance for the various weather extremes and building types at each site. In addition, the manufacturers' estimated lifetime for the roofs will be compared with actual service. As predicted in an earlier CERL study, reinforced PVC membranes were easier to install due to less shrinkage upon unrolling. Each membrane type was isolated carefully from the others to avoid interference that might affect results of any interactions between the different materials. Independent contractors installed the systems. The contractors' methods in placing the roofs will no doubt have major impact on long-term performance. Thus, it may be difficult to obtain a true performance picture for the systems installed with less care than demanded under certain conditions.
Date
4/1984
4/1984
Author(s)
Myer Rosenfield
Myer Rosenfield
Page(s)
57
57
Keyword(s)
polyvinyl chloride; PVC; test and evaluation
polyvinyl chloride; PVC; test and evaluation