Evaluation of the Effects of Long-Term UV Exposure on Single-Ply Membranes
Interface - May/June 2010
by Jim D. Koontz, RRC, PE; and John Erland, RRO
Read the results from a comparative 1.5-year study of the relative performance of 11 single-ply membranes, including TPO, PVC, KEE and EV, when exposed to long-term ultraviolet exposure. On average, the TPO membranes had a greater propensity for retaining its physical properties, such as membrane sheet thickness, sheet mass, hardness and brittleness.
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