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This research measured selected physical characteristics of twelve roofing membranes before and after oven heat and ultraviolet exposure. To make these data useful for comparing values, identical test methods and conditions were used for each membrane. We intend to compare these data with before and after exposure data obtained on companion samples exposed outdoors at three locations in the United States in an effort to determine the laboratory program that might accurately predict the performance of roofing membranes.
APP, asphalt-glass fiber felt BUR, BUR, durability, EPDM, heat exposure, polymer modified, properties, PVC, ranking, roofing, SBS, service life, single ply, TPO, UV exposure
Civil Engineer, US Army Corps of Engineers, Construction Engineering Research Laboratory, Champaign, IL
Principal, Simpson Gumpertz & Heger Inc., WalthamWashingtonLos AnglesSan Francisco, MADCCACA
Senior Staff Engineer — Materials/Laboratory Manager, Simpson Gumpertz & Heger Inc., WalthamWashingtonLos AnglesSan Francisco, MADCCACA