BuildBlock ICFs can provide an STC Rating of 54 keeping noise pollution outside where it belongs. The STC rating of a wall assembly refers to its resistance to sound transmission. Sound is measured in decibels, (db) and is on a logarithmic scale, meaning that the values are not linear in nature, and a 50db sound is not twice as loud as a 25db sound. A doubling of volume would correspond approximately to a 10db change. In construction, it is important to limit noise and sound transmission through walls. This is especially important in certain venues, such as movie theaters, concert halls and hotels. Airports and other
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