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Abstract
Results are reported for the first two years of a 10-year field test on three PVC roof systems. The test is part of long-term research by the USACERL to identify alternatives to conventional built-up roofing for military construction. The test roofs are installed on buildings at Chanute Air Force Base, Ill.; Dugway Proving Gounds, Utah; and Ft. Polk, La. At the time of installation, the roofs were tested for initial properties to provide a basis for comparison with later samples. Test samples of each roof are taken at six-month intervals, and the sample section is patched. Properties evaluated are those considered essential to good roofing performance; they are tested using ASTM standard methods in most cases. In addition, the roofs are inspected visually once each year. Preliminary findings indicate that the PVC systems tested have remained relatively unchanged in terms of physical and mechanical properties. At this point, all roofs appear to be performing at a satisfactory level. Some characteristics, such as fungal growth shrinkage and streaking, will need careful scrutiny over the next few years to learn if they affect overall roof performance. A Corps of Engineers Guide Specification (CEGS) has been developed based on these results. The CEGS allows the Army to specify, within limits, certain PVC roof systems for military construction.
Results are reported for the first two years of a 10-year field test on three PVC roof systems. The test is part of long-term research by the USACERL to identify alternatives to conventional built-up roofing for military construction. The test roofs are installed on buildings at Chanute Air Force Base, Ill.; Dugway Proving Gounds, Utah; and Ft. Polk, La. At the time of installation, the roofs were tested for initial properties to provide a basis for comparison with later samples. Test samples of each roof are taken at six-month intervals, and the sample section is patched. Properties evaluated are those considered essential to good roofing performance; they are tested using ASTM standard methods in most cases. In addition, the roofs are inspected visually once each year. Preliminary findings indicate that the PVC systems tested have remained relatively unchanged in terms of physical and mechanical properties. At this point, all roofs appear to be performing at a satisfactory level. Some characteristics, such as fungal growth shrinkage and streaking, will need careful scrutiny over the next few years to learn if they affect overall roof performance. A Corps of Engineers Guide Specification (CEGS) has been developed based on these results. The CEGS allows the Army to specify, within limits, certain PVC roof systems for military construction.
Date
2/1987
2/1987
Author(s)
Myer Rosenfield; James Wilcoski
Myer Rosenfield; James Wilcoski
Page(s)
40
40
Keyword(s)
polyvinyl chloride; PVC; field test
polyvinyl chloride; PVC; field test