What is the Sound Transmission Coefficient (STC) rating for your materials?

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What is the Sound Transmission Coefficient (STC) rating for your materials?

A barrier’s sound reduction depends on its weight per square foot, rigidity and air tightness. In airtight surroundings, sound reduction increases with increased sheet thickness.

SHEET THICKNESS AVERAGE SOUND TRANSMISSION(DB) LOSS 100-3200 HZ STC RATING FOR ACRYLIC STC RATING FOR POLYCARBONATE
3.0 mm (1/8”) 22 23 25
4.5 mm (3/16”) 25 26 29
6.0 mm (1/4”) 28 28 31
9.5 mm (3/8”) 30 30 34

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