Posts Tagged soundproofing

Acoustical Material Design and Uses Q&A

Below is a Q&A session about acoustical materials.

How would you describe the existing landscape relating to acoustical systems? Where is the greatest need/ the most demand?
-Acoustical systems are deployed throughout many market segments.  Demand truly depends upon the specific type of acoustical requirement.  Applications can range from improving sound in a residential home theater to solutions to abate jet airplane noise.  Many of these projects must be examined on a case by case basis.

Popular Products
Fabric wrapped panel: http://www.acousticsfirst.com/sonora-wall-panels.htm
Sound Barrier: http://www.acousticsfirst.com/blockaid-vinyl-sound-barrier.htm
Art Diffusors: http://www.acousticsfirst.com/diffuser-art-diffusor.htm

What are some major issues that come up or problems to be faced?
-Most problems center around improving speech intelligibility or keeping sound from disturbing others.
Improve Intelligibility with Absorbers: http://www.acousticsfirst.com/sound-absorbers.htm
Block Sound with Barriers and Isolation Poducts: http://www.acousticsfirst.com/barriers-vibration-isolation.htm

When developing different types of sound proofing/ sound dampening materials what have proved to be the most useful materials to form composites out of? Where do you usually procure these base materials?

-Many absorber products are manufactured from fluffy or porous materials such as acoustical foam and glass fiber.
Noise barriers are made from dense and heavy materials and isolation materials range from metal springs to neoprene rubber.

You can read more about the basic categories of products here:  http://www.acousticsfirst.com/acoustics-first-products-overview.htm

Which materials or composites combinations have proved to be the most successful?
-The success of the material can only be measured in comparison with the application in which the material is used.  Not all applications will require the absolute best composite material.  There are varying degrees of requirements and materials that should be specified by a professional who can evaluate the project requirements.  Acoustical consultants are often used to determine the appropriate material and amounts of material for the specific project.

What surprises have you encountered while developing acoustical systems?
-Sometimes that physical limitations of materials or structures to support the materials may change the design or specification of an acoustic material.  For example, when blocking sound, massive and dense materials should be used, however, you must be sure the structure will be able to support the additional weight.  A prototype design may have the best intentions of being a great acoustical material but may have limitations when manufacturing, shipping or installing.

How big is the market for aesthetically pleasing sound proofing/ dampening systems?
-These days most markets segments are looking for materials that are aesthetically pleasing while at the same time needing them to be economical.  Visual trends are constantly changing and consumers may choose to compromise the look of a material to match their project’s budget.

Do you see any future trends? Where do they align?
-Trends are always changing based on market demand whereas material design and availability change based on the availability of access to raw goods at a fair price.  One constant that could maintain is that as the population grows one can anticipate the need for noise and sound control materials will also increase.

Do you think there is a need or interest in easily movable/ modifiable/ adjustable sound proofing/ dampening?
-Many customers would like to have the ability to remove or move their acoustical materials.  Much of this depends on the type of acoustical problem and how the will be installed.

Do you think there is a need or interest in sound proofing/ dampening that is easily cleaned? In what market do you think these exist?
-Some commercial applications such as hospitals, food service, or industrial facilities need materials that can be wiped down.  This depends on the environment in which the materials will be used.

What are some markets that have unmet needs? What is the need?
-Any markets that have sound and noise problems.

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Acoustics First Corporation supplies acoustical panels and soundproofing materials to control sound and eliminate noise in commercial, residential, government, and institutional applications worldwide.  Products include the patented Art Diffusor®, sound absorbers, noise barriers, acoustical fabrics and accessories. Acoustics First® products are sold for O.E.M applications, direct, and through dealers.  For more information on acoustical materials and their application, please visit www.AcousticsFirst.com or call Toll Free 1-888-765-2900 (US & Canada).

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About Acoustics First® Corporation

Building Sound DiffusersThe principals of Acoustics First® have been in the acoustics arena since the seventies, when they introduced industrial foam as an acoustic panel for recording studios. Back then, everything had to be built by hand since there were no off-the-shelf acoustic solutions. We now supply many types of acoustical materials including: acoustical foams, fabric wrapped panels, sound diffusers, noise barrier materials, acoustical fabrics, bass traps, and ceiling treatments. Sound control materials are not only restricted to use in the recording industry but are used in many applications including: Home Entertainment Rooms, Music Rehearsal Spaces, Industrial Noise Control, Court Houses, Houses of Worship, Gymnasiums, Dog Kennels, Schools, Restaurants, Museums and much more.

Acoustics First will make every effort to help you determine the right sound control materials for your application.

http://www.acousticsfirst.com/about-acoustics-first.htm

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Acoustics First Corporation supplies acoustical panels and soundproofing materials to control sound and eliminate noise in commercial, residential, government, and institutional applications worldwide.  Products include the patented Art Diffusor®, sound absorbers, noise barriers, acoustical fabrics and accessories. Acoustics First® products are sold for O.E.M applications, direct, and through dealers.  For more information on acoustical materials and their application, please visit www.AcousticsFirst.com or call Toll Free 1-888-765-2900 (US & Canada).

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When Soundproofing, Don’t forget to seal any seams and gaps

BlockAid Mass Loaded Barrier (MLV)

BlockAid Mass Loaded Barrier (MLV)

Whether you are building music studios, conference rooms, offices or any space that requires sound privacy, using multiple layers of sheet rock, mass loaded vinyl barrier and resilient clips with hat track  is a great start to soundproofing. However, no matter how many layers comprise the wall composition, any air gap or a seam will allow sound to spill into or out of the room. This would render all your hard work and labor null and void as well as waste your construction budget. It only takes a very small space to allow a large sound leak. Wall board and vinyl sound barrier are simple to seal correctly using an acoustical sound caulk. Be sure to apply sound sealant to all vertical and horizontal seams as well as the joints at the floor, ceiling and both inside and outside corners. Wall switches and electric outlets also pose a threat to sound leakage. They are just as important as the overall wall construction. Be sure to seal any of these weak spots with a solid enclosure or use a caulked vinyl sound barrier flap to create a soundproof seal behind these openings.

When Soundproofing a room, don’t forget to seal all your seams and gaps. If air can pass through, so can sound! http://www.acousticsfirst.com/sound-proofing-barrier-osi-acoustical-sound-sealant.htm

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Acoustics First Corporation supplies acoustical panels and soundproofing materials to control sound and eliminate noise in commercial, residential, government, and institutional applications worldwide.  Products include the patented Art Diffusor®, sound absorbers, noise barriers, acoustical fabrics and accessories. Acoustics First® products are sold for O.E.M applications, direct, and through dealers.  For more information on acoustical materials and their application, please visit www.AcousticsFirst.com or call Toll Free 1-888-765-2900 (US & Canada).

 

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Soundproofing: Using Multiple Materials to Acheive Sound Isolation (Video)

Sound proofing DemonstrationSoundproofing: Using Multiple Materials to Achieve Sound Isolation (Video)

When attempting to soundproof a room, there are various levels of sound isolation and many different types of materials available.  How far you go with your construction will depend mostly on they type of sound you wish to abate.  The acoustic solution needs to be designed around your specific application.  Is it the noise of an industrial plastic shredder or speech from an adjacent office? (alt. Is it the noise of a neighboring industrial plastics shredder or do you need to isolate your studio control room?)

A typical wall construction consists of two layers 1/2″ gypsum applied to either side of a 2×4 wood or metal stud.  Many of these walls for residential and commercial interiors will lack insulation in the cavities.  This type of contruction will yeild an STC (Sound Transmission Loss) around 31 – 33.  By simply adding a layer of fluffy glass fiber insulation to the cavity, the STC will increase by 4-5 points and prevent sonic resonance.  Additionally, a layer of mass loaded vinyl barrier will add another 4-5 points.  We have prepared a simple video demonstration to illustrate how using multiple layers of common building materials will improve STC values.  Click here for the video: http://www.acousticsfirst.com/educational-videos-the-barrier-and-the-bell.htm

The Barrier and the Bell (Soundproofing Demonstration) from Acoustics First on Vimeo.

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