Old Style soundproofing still believes that batt insulation is a good soundproofing agent. There are some good sound batt insulations out there such as Roxul AFB and Bonded logic's bonded cotton insulation and they work well for both soundproofing and thermal protection, however no batt insulation is strong enough to stand alone as the sole soundproofing material in a wall ceiling or floor assembly. There goes the this new product.
Green Glue is a revolutionary new soundproofing compound that approaches the issues of soundproofing from an entirely different angle. It is no a sound blocker or a sound absorber of a sound diffuser, but rather it is a sound deadener or damper. Here's how it works, when this is applied to a second sheet of drywall and then sandwiched in between the existing drywall and this new piece of drywall. It will actually change the resonant frequencies of both layers of drywall and will stop their ability to transmit sound.
If you will, visualize your wall as being a drumhead. Now you have one of your kids beat the drum with a drumstick. The drum will resonate loud and clear, as there is nothing restricting the transmission of the sound as the drumstick strikes the drumhead. Now let take that same drumhead and as the child strikes the drum you place your finger on the drumhead. What happens now? The drum is now restricted and cannot transmit the sound or will only transmit a fraction of the sound that it did when the drumhead was unrestricted. I hope this little analogy has shown you how the Green Glue acts as a sound damper when applied between two layers of drywall or soundboard. I sure put Green Glue in perspective for me and I have been in the soundproofing industry for years.
Now knowing that this material is not a blocking agent or and absorber, it is now absolutely essential that is cover every square inch of the drywall layers. In other words, once you screw the second layer of drywall over top the first with the Green Glue sandwiched in between, it makes no difference that the screws are making a connection between the stud structure and the drywall layers. Why you ask? Because we are damping or deadening the drywall layers, this material is not a soundproof barrier. It fills a very critical gap when soundproofing. It precludes you from having to remove your existing drywall. As far as I am concerned, the less demolition I have to do, the better.
Lastly, it also works remarkably well when applied to your ceiling. If you live in a condo, apartment or loft and have neighbours above you, you know exactly what I am talking about. Impact noise also known as Footfall noise is some of the hardest noise to deal with. Sure you could spend thousands on expensive hangers and clips and mass loaded vinyl not to mention the labor costs involved, and granted you will get some great soundproofing and impact protection if these materials are installed properly, but with if you use it on your ceiling you can experience a 60%-65% reduction in the amount of impact noise that is transmitted from the unit above. With the cost of housing ever climbing, Green Glue is becoming an essential part of building a home that gives you peace and solitude.
Author Resource:-
John Limbocker is an Internet marketer for acousticsaudio.com. For more details and information about Green Glue, simply go to www.acousticsaudio.com.
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