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How does the STC rating of QuietRock ES compare to the STC rating of standard drywall?

April 26, 2017compare drywall es quietrock rating standard STC

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How does the STC rating of QuietRock ES compare to the STC rating of standard drywall?

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A Typical gypsum wall assembly, with gypsum on both sides of single wood studs, has an STC rating of 39. A typical QuietRock ES wall assembly, with QuietRock ES on both sides of single wood studs, has an STC rating of 52 and an STC rating of up to 55 on steel construction. In addition, QuietRock ES is the lowest cost, 5/8″, sound reducing drywall in the market, making it more cost effective.