Noise is measured in decibels but the effectiveness of a product at reducing sound waves is measured using a Sound Transmission Class (STC) rating. The higher the STC rating, the lower the decibel ...

The soundproof characteristics of a wall are rated by sound transmission class (STC). Normal conversation will be heard and understood through a STC-25 wall. When soundproofing is improved to STC ...

These ratings are a measure of how much sound is stopped by a particular material. They are referred to as STC (Sound Transmission Class) ratings. The higher the STC rating, the better the ...

Read on to learn more about the best soundproofing materials for muffling noise and to find the product that fits your needs, ...

and includes the only THX-Certified soundproof drywall, QuietRock 545 THX, with STC ratings up to 80. The new QuietHome Doors incorporate Serious’ proprietary viscoelastic polymer-based constrained ...