Three-Year Field Test Summary for Experimental Modified Bitumen Roofing at Fort Polk, Louisiana
CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL
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This report presents results of the first 3 years of a 10-year field evaluation on three modified bitumen roofing systems at Fort Polk, LA. This work is part of a research effort being conducted by the U.S. Army Construction Engineering Research Laboratories USACERL to attempt to identify alternative, easy-to-install roofing systems that can improve the performance of Army roofing while reducing life-cycle costs. Three different modified bitumen roofing systems were installed on Building 920 at Fort Polk. At the time of installation, researchers tested the roof membrane materials for initial properties to provide a basis for comparison with later samples. Test samples for each roofing system were removed annually for 3 years and the sample section was patched. Properties of the membrane material evaluated are those considered essential to good roofing performance. For most properties, American Society of Testing and Materials ASTM standard test methods are used. In addition, the roofs are inspected visually once each year. Preliminary findings indicate that the test roofs are performing excellently.... Fort Polk, LA, roofing, bitumen.
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