The ToughGard Ultra*Round Duct Liner delivers acoustical, thermal, and moisture control performance in spiral duct applications.
Ultra*Round is overlaid with a tough and durable fire-resistant black composite air stream surface, which eliminates the cost of perforated metal lining in double-wall construction.
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CertainTeed Corporation
Jan. 1, 2000
Courtesy of Thielen & Green Architecture + Design
Courtesy of Amherst College
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