Reduce & Dampen Noise with Acoustical Sound-Reducing Drywall

The materials you choose to construct your home can have a significant impact on your comfort levels. By choosing the right drywall, you can block sound from areas of your home to reduce disruptions to your family.

Sound-reducing drywall has the ability to limit the spread of noise, making it an ideal option for rooms that need to block out sound This quiet drywall can help a baby sleep in a nursery, contain the surround-sound of an in-home movie theater, or help you focus when working in a home office. It is a popular choice for single-family homes as well as living spaces with shared walls, like condos or townhomes, or public areas like hotels, restaurants, hospitals, and schools.  

In order to pick the best drywall for soundproofing, it helps to understand how sound travels and how acoustical drywall blocks it. Sound is measured in decibels (dB), which report how loud a noise is. The hum of your refrigerator is around 40 dB while a motorcycle produces a road around 95 dB. 

Noise-reducing drywall products are rated on transmission loss, or the number of decibels that are blocked by a wall. Sound waves are absorbed by the wall, limiting what you hear on the other side. Construction materials companies use a rating system called Sound Transmission Class levels, or STC, to determine how effective a product is at blocking noise or creating transmission loss.

¿Qué es la STC? 
La STC es una medida de cuán bien una pared o partición de edificio reduce el sonido. La STC es el estándar de medida en los EE. UU. para determinar cuán bien reducen el sonido las paredes interiores, los pisos, los techos, las puertas, las ventanas y las paredes exteriores. Fuera de los EE. UU. existen varios estándares de medida para obtener la misma calificación. En Canadá, el estándar utilizado es la ASTC (Clase de Transmisión Sonora Aparente).

¿Qué es la ASTC? 
La ASTC incluye las contribuciones de la transmisión de sonido de flanco y, por lo tanto, es un mejor descriptor del desempeño acústico del edificio. La calificación ASTC entre las unidades de vivienda debe ser de 47 o mayor para cumplir con el 2015 NBCC (Código Nacional de Construcción de Canadá).

At CertainTeed, we use an acoustic gypsum board to create sound dampening drywall. Our SilentFX® QuickCut™ product is made with two dense gypsum cores separated by a layer of viscoelastic polymer, which blocks out interior noise. With an STC rating of 50 or higher when installed properly, this option is ideal for systems requiring high STC performance. 


Does Sound Reducing Drywall Work?

There are many factors that contribute to the soundproof nature of a house. While walls play a significant role in blocking noise, soundwaves can travel under doors, through ductwork, and around an open floor plan. The levels of noise in your house are also determined by your design tastes, as sound will get absorbed by soft surfaces like carpet but will reverberate off of hard surfaces like tile. 

Additionally, STC ratings do not factor in low-frequency bass, which is often the source of many sound problems.

As you shop around for the best soundproof drywall, look for acoustic drywall that blocks out noise but also provides additional benefits to your home and family. At CertainTeed, our product is enclosed in a 100% recycled moisture and mold resistant face and back paper layer which protects your walls and flooring. It is a durable board that accepts most types of paints, texture, and wall covering materials. Even if you aren’t able to completely soundproof your home with noise-absorbing drywall, you can still dampen sounds and limit the spread of noises from one room to the next.

Along with sound-dampening drywall, CertainTeed offers a variety of other drywall and gypsum board products that can improve the construction of your house. Learn more about the materials we sell so you can determine which ones are right for your home. 

Learn more about how to reduce noise in any room


El desempeño acústico en la vida

Escuche la diferencia que puede hacer una unidad de pared con SilentFX® QuickCut. Vaya a la aplicación dBstation para ver una demostración o para obtener más información sobre la comodidad acústica.

SilentFX QuickCut tiene ½” de grosor y presenta la tecnología M2Tech® de CertainTeed. Diseñado para rallar y cortar con facilidad, QuickCut permite una instalación más rápida y menores costos laborales.

SilentFX QuickCut tipo X tiene ⅝” de grosor, presenta la tecnología M2Tech® de CertainTeed y está clasificado para espacios que requieren resistencia al fuego. QuickCut permite una fácil instalación.

Estos productos conectan tablas y paneles de yeso, y sellan huecos, para un desempeño acústico completo. 

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