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photo of Mass Loaded Vinyl Soundproofing Barrier | 100 Sq Ft Roll

It's heavy. It's flexible. It works!

SoundAway Barrier MLV 1#, 1/8" x 4' x 25'

15 Reviews
$
Product Code: 11002

Mass Loaded Vinyl 1# Roll:
1/8" x 4' x 25'

SoundAway Barrier MLV 1# Roll, 1/8" x 4' x 25', is a dense, one-pound-per-square-foot, flexible, soundproofing mass-loaded vinyl noise barrier highly effective in a variety of noise control applications. SoundAway Barrier Roll offers an effective solution to block voices and reduce noise.

MLV Barrier is typically installed directly on studs, joists or over a subfloor. To soundproof a wall or ceiling, install the MLV Barrier leaving about a 1/4" gap around the perimeter of your wall or ceiling. Fill the gap with Acoustic Caulk and seal the seams between sheets of your noise barrier with Seam Tape. To enhance the soundproofing quality, install acoustic insulation in the wall or ceiling air space, add a layer of Green Glue and drywall.

Dimensions: 1/8" x 4' x 25'
Density: 1 lb/SF
Weight: 105 lbs
Color: Black

Applications:
  • Home Theater
  • Recording Studio
  • Band practice room
  • Soundproof shared/common walls
  • Noise control between floors/ceilings
  • New construction or retrofit/remodeling

SoundAway Barrier MLV 1#, measuring 1/8" x 4' x 25', serves as a massive density upgrade for any wall, floor, or ceiling assembly. Unlike standard sound-absorbing materials that merely soak up echoes, this Mass Loaded Vinyl acts as a heavy-duty shield to physically block noise from passing through structures. It is a cornerstone among professional soundproofing products, providing the weight of lead without the environmental hazards. Whether you are managing complex commercial soundproofing for mechanical rooms or prioritizing quiet in residential soundproofing for a bedroom, this flexible membrane is your primary defense against unwanted sound transmission. Order today.

Key Performance Characteristics:

  • Extreme Mass in a Slim Profile: You get the sound-mitigating power of several inches of concrete in a mere 1/8" thickness. This allows you to maximize your soundproofing materials without sacrificing valuable square footage in your rooms.

  • High-Grade Flexibility: What makes our MLV different from rigid alternatives is its limp-mass property. It does not resonate, meaning it transforms sound energy into heat rather than vibrating like a drumhead.

  • Superior Environmental Resistance: This 1 lb per square foot barrier is non-toxic, reinforced for tear resistance, and completely odorless. It remains durable against temperature fluctuations, ensuring long-term performance behind your drywall or under your flooring.

Reviews

Average Customer Review:
( 15 )
Dan Gray(Aka-MudManDan) Above &Beyond Drywall from Vista, CA United States
September 11, 2026
Sandra and Jose’s Project
We used the SoundAway Barrier MLV on a partition wall separating Sandra and Jose’s living space from an ADU they rent out. They were very happy with the noticeable difference in sound reduction after the installation. The material worked well for this application and gave us the added sound control we were looking for. We would definitely use it again on future soundproofing projects.
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Tom T from Vista, CA United States
November 19, 2025
MLV 1st use
Very knowledgeable sales folks and very helpful in consultations and recommendations.
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Carlos Baez from San Nicolas de la Garza, Nueo Leon Mexico
November 19, 2025
Excellent material
Excellent material and attention of my necessities by salesperson
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Daniel Martinez from El Cajon, CA United States
April 25, 2025
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Dries Van Loon from San Diego, CA United States
February 28, 2025
Great product
We used this when adding a ADU to our house to assure there was a good seperation for the noise.Been living there for a while now and we don't even notice there is another living space right on the other side of the wall
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