WHAT IS MASS LOADED VINYL?
DENSE, VINYL SOUNDPROOF SHEET
Use anywhere soundproofing solution
Mass Loaded Vinyl is
SOUNDPROOFING, DEFINED
THE ACT OF SOUNDPROOFING DEFINED
From the Cambridge dictionary, the literal definition of soundproofing is: "special material put in a room or building in order to prevent sound from passing our of or into it, or the act of putting in this material."
We can take from that definition the true goal of soundproofing: STOP SOUND TRANSMISSION. Sound transmission is the act of sound waves moving from one space to another, either via airborne waves or traveling through an object or surface. Common everyday examples of sound transmission include hearing someone talk from the room next to you, hearing road noise from inside your house, or hearing loud music or tv from a shared wall.
The other important part of the definition is "special material put in a room or building..." The act of soundproofing is adding a material, such as EnviroFlex Mass Loaded Vinyl, to a space to stop sound transmission. There are many options that can help to mitigate sound between spaces. The most common way to soundproof is to add mass, generally in the form of a thinner, dense material, such as MLV or thicker gypsum. Other options include adding mass and space with a secondary wall or decoupling wall, or diffusing sound with insulation or foam.
Regardless of the type of noise you are trying to get rid of, one thing is clear: To soundproof, a specialty material is required. That is where EnviroFlex MLV can help. A true, multi-purpose soundproofing solution, EnviroFlex Mass Loaded Vinyl can easily be installed in walls, ceilings, floors, and more to reduce sound transmission and safely and effectively soundproof your space. You can learn more about installing EnviroFlex MLV here, or explore more about what Mass Loaded vinyl is here.
SOUNDPROOFING MADE SIMPLE
Put simply, any soundproofing project is about stopping a noise problem. The key things that have to happen is:
1. Identify the sound problem and what type of noise it is.
2. Determine the best way to lessen or stop that noise
3. Install high quality soundproofing products to stop your sound problem
Now we have simplified the process, and identified the true goal of soundproofing: stopping sound problems. Whether that is in your house, office, garage, workshop, car, studio, or any other place, each soundproofing project can be handled with the 3 steps above.
EnviroFlex Mass Loaded Vinyl can help with a variety of sound problems, and its adaptable nature allows it to be installed almost anywhere noise is a problem.
TYPES OF SOUNDPROOFING
There are several different types of soundproofing. Here are a few of the most common types, and what they excel at:
SOUND DIFFUSION:
SOUND ABOSRBING:
SOUND BLOCKING:
SOUND ABATING:
TYPES OF NOISE PROBLEMS
AIRBORNE NOISE
Airborne noise is the most common noise problem that people deal with everyday. Examples of airborne noise include voices, music, television, road noise, animals, and more. These are noises that have sound waves that travel through the air to be heard. Sound waves from airborne noises pass through walls, ceilings, floors, doors, and windows, carrying sound from on space to another. There are several methods for getting rid of airborne noise, including diffusing the sound waves with foam or fiberglass insulation, but the most effective form of soundproofing for airborne noise is adding mass or decoupling a wall. As decoupling is generally a costly, time consuming construction project, adding mass is generally agreed upon as the most effective soundproofing solution for airborne noise.
IMPACT NOISE
Impact noises can best be described as noises that you feel. Impact noises


WHAT DOES MLV DO?
MULTIY-USE SOUNDPROOFING SOLUTION
DENSE, FLEXIBLE
VINYL SOUNDPROOFING
Mass Loaded Vinyl, commonly refered to as MLV, is a soundproofing sheet made from a base of vinyl materials combined with inert materials to create a dense sheet with superior soundproofing properties.
AN EFFECTIVE SOUNDPROOFING SOLUTION
MASS LOADED VINYL: PROVEN SOUND BLOCKER
Lab tested and use case proven soundproofing results
EnviroFlex Mass Loaded Vinyl is backed by testing from accreddited sound laboratories, with a STC rating proving its ability to block sound transmission.
MASS LOADED VINYL SPECIFICATIONS
Add or remove specification rows using blocks. You can include notes, images, and optional rating meters.
Physical Properties
Tensile strength
Typical value
Elongation
Typical value
Performance Metrics
Temperature range
Service range
Chemical resistance
Varies by exposure
SOUND RATINGS
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