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What is Nominal STC (Sound Transmission Class)?

April 26, 2017class nominal sound STC transmission

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What is Nominal STC (Sound Transmission Class)?

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The STC rating will vary, depending on the thickness of the sections. Based on field studies and tests for flat concrete panels, the calculated Nominal STC rating for Lite-Deck ranges from STC-45 to STC-55 for the most popular sizes of Lite-Deck.