Today's hotels, condos, homes and apartments have a lot more to contend with than just noisy neighbors. New technology presents building designers with an even bigger challenge when it comes to noise prevention.
By raising the transmission loss between rooms an additional 20dB, residents can get the peace and quiet once attained with the original STC 30-34 standard. Current research shows that an STC rating of 50 is a desirable noise level for condo type construction. Because people's noise perception doubles every 10dB, it takes a 10dB reduction to make a building 50% quieter and a 20dB reduction to make it 75% quieter.

The designer with peace and quiet in mind should use spray foam for quiet comfort in any situation.