Green Glue Compound

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What is Green Glue Noiseproofing Compound?

Green Glue Noiseproofing Compound is a sticky latex based soundproofing glue applied between rigid materials as a sound damping compound, not an adhesive. Green Glue Compound sound deadening material is most often used between layers of drywall, plywood, or HardiBacker.

How does Green Glue Noiseproofing Compound work?

In a constrained layer damping system, sometimes referred to as CLD, a soundproofing glue is sandwiched between two other materials (usually stiff/center of the “sandwich” is sheared rigid). For example, Green Glue Damping Compound sandwiched between two layers of drywall. Damping occurs when the viscoelastic center of the “sandwich” is sheared (see image above). When bent, shear forces pull and stretch on the damping material. Under these conditions, the unique polymeric construction of soundproofing glue very efficiently converts this mechanical energy to heat. The vibration energy is not isolated, it’s dissipated and gone.

How does Green Glue Noiseproofing Compound compare to other techniques?

Compared to most other isolation techniques, Green Glue Noiseproofing Compound is typically the best option. When you compare the performance of damping to mass loaded vinyl, soundboard type products, resilient channel, joist tapes, and other products, the damping performance of Green Glue Compound will always win out. However, for isolating ceilings for airborne transfer and footfall noise, resilient sound clips, like the GenieClip® RST is a much better option.