WHAT IS MASS LOADED VINYL?
DENSE, VINYL SOUNDPROOF SHEET
Use anywhere soundproofing solution
Mass Loaded Vinyl (MLV) is a heavy, flexible material designed to block and reduce noise. Think of it as a sound barrier—when sound waves hit it, the dense material absorbs the energy and converts it to heat, preventing noise from passing through to the other side. It's especially good at stopping low-frequency sounds like traffic, machinery, and bass from speakers or home theater systems.
You'll find MLV used in homes and businesses everywhere. Homeowners add it behind walls in bedrooms, home theaters, and recording studios to create quieter spaces. Renters use it to soundproof between apartment units. It's also common in basements to muffle noises from furnaces and other equipment, and in offices and retail spaces where noise control matters.
The material comes in rolls and is typically one-eighth to one-quarter inch thick. Installation is simple—you can staple or glue it to wall studs before drywall goes up, or stick it directly to finished walls depending on your project. Because it's flexible and lightweight, it's much easier to work with than other soundproofing options.
The key to getting the best results is proper installation. Sealing all the seams and closing any gaps makes a real difference in how well it works. MLV is a solid choice for noise reduction, especially when combined with other soundproofing techniques.
HOW MLV WORKS
SOUNDPROOFING THAT PERFORMS
Mass loaded vinyl is a dense, flexible material engineered to block sound by adding substantial weight to walls, ceilings, and floors. When sound waves strike the vinyl surface, its mass absorbs and dampens vibrations before they can travel through to the other side, significantly reducing noise transmission. The thicker and heavier the material, the more effective it becomes at reducing noise across a wide range of frequencies, from low-frequency rumbles to high-pitched sounds.
For maximum effectiveness, mass loaded vinyl works best when installed between wall studs, under flooring, or behind drywall, creating a continuous acoustic barrier that interrupts the path sound takes to travel from one space to another. This strategic placement is crucial for achieving optimal noise reduction in residential and commercial applications.
Mass loaded vinyl is particularly effective at reducing two types of noise. Impact noise—such as footsteps, dropped objects, and vibrations from appliances—is significantly dampened when the material is placed under flooring or between structural elements. Airborne sound from voices, music, traffic, and HVAC systems is also substantially reduced, making it an excellent choice for soundproofing bedrooms, home offices, recording studios, and shared walls between apartments or condos.
Whether you're looking to create a quieter home office, reduce noise from neighbors, or improve acoustics in a commercial space, mass loaded vinyl offers an affordable and practical solution for sound control.
FLEXIBLE MULTI-PURPOSE SOUND SOLUTION
PLACES MLV IS USED
As a multi-purpose soundproofing solution, Mass Loaded Vinyl can be used just about anywhere. Some of the most common applications for MLV are:
- Residential Spaces: in walls, ceilings, and floors
HOW ENVIROFLEX MLV IS MADE
POST-INDUSTRIAL RECYCLED MATERIALS
EnviroFlex™ Mass Loaded Vinyl is made entirely from recycled materials, sourced from post-industrial streams to maintain quality. The proprietary formula involves combining vinyl with inert materials to create a flexible, dense vinyl sheet that is capable of blocking sound transmission between spaces.
SHEET EXTRUDED FOR CONSISTENCY
LAB TESTED TO MEET SPECIFICATIONS
AIRBORNE NOISE
Mass loaded vinyl is manufactured through a precision sheet extrusion process that sets it apart from alternatives. Raw vinyl compound is heated and forced through specialized dies, creating a dense, uniform sheet with consistent thickness and weight distribution. This controlled manufacturing method ensures every roll meets exact specifications for sound dampening and vibration control.
The extrusion process bonds the vinyl at a molecular level, eliminating weak points and ensuring long-term durability. This structural integrity means your installation won't peel, crack, or lose effectiveness.
The sheet extrusion approach also allows manufacturers to incorporate additives directly into the vinyl compound—flame retardants, UV stabilizers, and acoustic enhancers are distributed evenly throughout rather than applied as surface treatments. The result is superior performance that lasts, whether you're soundproofing walls, lining vehicles, or protecting equipment from vibration damage.
IMPACT NOISE
Sheet extrusion is a manufacturing process that transforms raw plastic materials into thin, flat sheets of consistent thickness. During extrusion, plastic pellets are melted and forced through a specially designed die, creating a continuous sheet that can be cooled and cut to precise dimensions. This process allows manufacturers to produce sheets with uniform density and properties, making them ideal for applications requiring durability and reliability. Sheet extrusion is widely used across industries to create products ranging from protective barriers to structural components, offering flexibility in material selection and customization to meet specific performance requirements.
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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