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Mass Loaded Vinyl for Cars: Automotive Noise Barriers
Mass loaded vinyl is a high quality noise abatement material that can substantially decrease the noise level in your car cabin from things like car wind noise and road noise. When paired with effective sound deadening, you’ll have a car so quiet, you’ll be telling everyone about it. Second Skin is here to help you get those type of results in YOUR vehicle.
Blocking Airborne Noise Requires Automotive Sound Barriers
Vehicles are subject to different types of sounds. Those unwanted sounds you hear inside your vehicle are traveling towards you along two very different paths. Structural noise will muddy up the sound of your vehicle without the proper sound dampening material. Airborne noise is the kind of noise that an effective sound barrier will stop. To get the best results, you have to target both and match the product to the path you want to silence. Allow us to explain the difference.
Second Skin Audio has a complete line of automotive sound insulation, with multiple options for sound deadener, noise blocking, and noise absorption materials. Not only do we have all the high quality materials you need to completely insulate your car, we'll walk you through every step of the way!
Structural Noise
Some sound waves travel through the vehicle’s structure before radiating into the passenger compartment. Vibration energy generated by mechanical systems and from road and tire friction moves through the metal chassis, floorboard panels and body structure of the vehicle before reradiating into the car cabin as noise. In many cases, the metal panels can even amplify the sound, like the buzzing noise when you turn the bass up on your audio system.
The solution to improve your acoustics is to apply car audio sound deadening material to any metal that vibrates. As the name implies, sound deadening materials dampen the metal and mute the vibrations, much like stopping a noisy wind chime with your hand.
Airborne Noise
Other types of unwanted noise travel into the vehicle by air. The air molecules surrounding the vehicle transmit unwanted sound from the exterior of the car, through the body panel, and then finally into the passenger compartment. These noises include the droning noise of exhaust system resonance, the roaring of road noise that comes from the tires, and even noise from air flowing under the vehicle.
The solution to airborne noise is to create a high quality sound barrier using the three key principles of blocking sound: heavy, limp, and airtight. The idea is to create a personal bubble that rejects airborne sound waves before they reach you.
If you use the wrong products for the application, use low-quality products, or apply products incorrectly, you will get inferior results. That’s why people get widely differing results when adding sound dampening material to their vehicles. Avoiding those expensive mistakes is easy – thank goodness you're reading up on it!
Luxury Liner Pro™ Is The Best Mass Loaded Vinyl For Cars
We always recommend Luxury Liner Pro™ for any vehicle as part of a sound reduction project. It’s an excellent automotive soundproofing material that combines an MLV sound barrier with a bonded layer of closed cell foam. When I say bonded, I mean bonded. The foam won’t peel off like you often see with lower quality options.
The MLV blocks airborne noise that’s coming up from outside the vehicle, and the foam provides buffer space for the sound energy to bleed harmlessly off. Without the decoupling layer of closed cell foam, the sound deadener or metal and your MLV can resonate together, severely reducing the sound isolation effect of your noise barrier. Because the decoupler is already included, Luxury Liner Pro™ will give you best-in-class results while saving you time and effort on your install.
Made in the USA, Luxury Liner Pro™ is our best automotive noise and thermal insulation barrier. Apply it on top of your sound deadening material (like Damplifier Pro™ or Spectrum™) to reduce airborne sound waves and thermal transfer in these parts of your car:
- Door Skins
- Floor
- Cabin Side Firewall
- Trunk
MLV Car Soundproofing Just Like In Construction
The manufacturing of mass loaded vinyl for cars is big business these days, and it didn’t even start with the automotive industry. Creating more comfortable living spaces using mass loaded vinyl sound barriers has been a growing priority in the construction industry, and automotive companies have finally wised up and applied those same three key principles used in home and commercial soundproofing to vehicle soundproofing.
Dense: you need at least one pound per square foot to effectively repel sound waves (and the heavier the better). If you go much lower than that, the STC rating won’t be high enough to be worth the effort.
Limp: the barrier should be somewhat malleable and soft to absorb the energy of noise vibration and to prevent it from resonating
Unbroken: any gaps in the barrier are gaps that sound waves can travel through
Mass loaded vinyl is the preferred automotive solution because, with a proper installation, it achieves all three of our effective noise barrier qualifications. It’s “limp”, which allows it to absorb energy. It’s flexible, allowing it to fit nicely into a vehicle without any gaps. Lastly, it’s dense! The term "MLV" comes from the way the vinyl material is manufactured. To increase the mass of the vinyl sheets, heavy metal particles are mixed in during the manufacturing process. That extra weight increases the density and creates an effective sound barrier.
Second Skin’s mass loaded vinyl options range from 1 lb per sq ft to 1.25 lbs per sq ft. We don’t recommend going up to 2 lbs per sq ft because the material becomes less workable around the contours of your car.
Using MLV Around the House
Using MLV Around the House
MLV sound barrier rolls are an effective way to soundproof a home or soundproof an office. Our Luxury Liner Roll™ is an excellent solution for your typical wall soundproofing project. MLV can be installed directly to the studs to improve the assembly's STC rating by adding mass and by blocking a different range of frequencies than the drywall in front of it.
Luxury Liner™ – MLV Cars Want
Luxury Liner™ is our MLV without the fused layer of closed cell foam. Just like with Luxury Liner Pro™, we’re very particular about the quality of the vinyl to ensure it’s odorless and the mass per square foot is consistent. For best results, we always recommend using a decoupler when installing Luxury Liner™ MLV in vehicles.
If you use Luxury Liner™ on top of a sound deadener, you need to install a soft, decoupling layer (such as our OverKill Pro™ closed cell foam or Heat Wave Pro™ jute insulation). The softer decoupling material prevents the two hard surfaces from resonating together. Don't allow the sound waves from that vibration energy to reduce your results.
Second Skin Can Help!
Each project is different. Let us apply our years of experience to help you find the right product for the job. We’re happy to talk through any project with anyone who calls in. We've seen thousands of jobs – let us save you some time. Second Skin is here to help!
Any vehicle that rattles or shakes, and most do, can benefit from sound deadening. Whether you installed a high-end sound system, are fixing up a hot rod, or just want to carve out a little bubble of comfort for your drive to work, Second Skin's sound deadening are best in class. Join Team Second Skin and turn any car into a luxury vehicle!