A primary understanding of the STC 50 rating is a vital ingredient in the right planning and design of any room or public space. If you are worried about the sound transmission from one room to another, STC rating is the tool that is used to measure the efficiency of the ability or the material of a soundproofing system to achieve your goal.
This post has information on applying and interpreting STC measurements for any kind of soundproofing. The STC is a measure of the ability of the materials to impede sound from traveling from one place to another. If the convenience or the privacy of the guests is a reason of worry, a level of soundproofing by using a compressor blanket should always be considered during the planning and construction phase of both private and public spaces.
Well, let us delve some facts about the STC rating. Don’t be fooled by high ratings of a material. All is not as it appears. The STC rating is mentioned as an average of how the material will perform at the sound frequencies created by a transformer humming. This is plainly apparent when you hear the vehicle next to you rattling and booming while the young man is listening to the latest hip hop music.
As it is apparent, the STC rating is an average and performance will change in the range of frequencies considered by the STC. We have to examine the soundproofing efficiency by tested frequencies not the overall average. If we want genuine and soundproof performance data by an acoustic door seal kit, we require the actual test results for the frequencies below 125 Hz. These are hard to get but they are available from some manufacturers. Obviously, the products that don’t test well at these frequencies don’t publish them.
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