1. Mass Loaded Vinyl has been applied in soundproofing since the 1960s. Often mass loaded vinyl is sandwiched between sheets of other. Top 4 Mass Loaded Vinyl Alternative: Best Options for Your Needs . MLV has a density ranging from 0. This is a specialized type of drywall that contains a sound-damping material in the middle layer. MLV adds great STC values to any wall or ceiling by adding heavy mass. MLV not only offers effective sound-reducing abilities but is also relatively easy to apply. Preassure Sensitive Adheisive Backed Mass Loaded Vinyl boosts soundproofing performance of ceilings, walls, and floors by adding mass and preventing structure from vibrating. Mass loaded vinyl (MLV) helps create sound-blocking assemblies to reduce airborne sound transmission for new or retrofit applications. 1. Viscoelastic materials exhibit both viscous and elastic properties. MLV is typically installed directly on studs, joists or over a. What is are common alternatives to mass loaded vinyl? A sound isolation clip system is always a higher performing option than mass loaded vinyl for wall and ceiling. To keep everything in place, glue works in most cases. It can also be pipe covers or floor soundproofing material. The MLV must be installed with 100% coverage (no air gaps) and is most commonly used as part of a wall or ceiling assembly. It is flexible and heavy which are properties that enable fantastic soundproofing solutions. The material is a liquid version of those mass loaded vinyl sheets we. Mar 19, 2015. Mass Loaded Vinyl Alternatives. ”. Sound Barrier is a cost effective noise solution and is one of the more versatile products on the market as far as application. Needless to say, mass-loaded vinyl is a great sound-blocking material which is also known for its flexibility. 44. 5', 50 Square Foot Roll of MLV - Dozens of Options, Soundproof Barrier, Reduces Noise, Installs Anywhere, Made in the USA. I need some cheap alternatives or suggestions as to what I could do besides my grand idea of using Heavy foam. These are much heavier materials and rely heavily on a deflective principle. What is impact noise?Window with Quiet Quilt 2-Sided Blanket (MLV sewn inside) 50 dB. Anyone know of a cheaper alternative?For some odd reason searing for MLV or mass loaded vinyl & glue turns up lots of threads explaining to n00bs how Green Glue was the right product to use over MLV in walls, ceilings, flooring, etc. Mass loaded vinyl is a thin but super dense rubberlike material. Big difference. This is a simpler and cheaper alternative for decoupling and is done by attaching sets of. How Does Mass Loaded Vinyl Work for Soundproofing (Existing Walls)? April 23, 2023 . They are similar to mass loaded vinyl supplied on rolls in a sense. It is non toxic and is the best alternative to Lead materials for soundproofing. 00 – $ 1,500. 00 per square foot, which becomes prohibitive for some. The legit way is to rip out the drywall, install the mass loaded vinyl, then do double drywall, noting all the electrical boxes are extended. MLV was invented in the 1960s as an alternative to using lead sheets for the soundproofing of walls inside houses. 45 dB. Advanced Acoustics Soundproofing Mat 3m by 1. Below, see how alternatives to Soundbreak or QuietRock can save several dollars per square foot, while still improving the STC rating of the wall. How to DIY Install Mass Loaded Vinyl Pipe Wrap. In short, it’s expensive. Luxury Liner mass loaded vinyl. An Alternative to Mass loaded Vinyl That’s Better at Soundproofing Walls. A greener, more viable alternative to lead soundproofing, MLV barriers are composed of salts, sands and tiny metal particles that give it sound reducing properties similar to old lead sheeting, but without the stigma. If an STC of 50+ is needed on wood stud assemblies, or 60+ on metal studs, 2 lb mass loaded vinyl is often the most cost-effective approach. One of the most popular MLV floorings nowadays is Soundsulate Mass Loaded Vinyl. One such option is acoustic curtains. It is flexible and heavy which makes it work great for all soundproofing applications. Thermotec Australia developed an extra HEAVY-DUTY, high performance, flexible soundproofing barrier called NuWave Base, or Mass Loaded Vinyl Insulation. , 100 sq. However, since the total weight and overall mass of the product is very. Its heightened mass serves to completely block sound, whereas high-density soundproofing absorbsWhich will do more to reduce sound/vibrations from drums A roll of 2 lb mass loaded vinyl (. Use it to cancel noise between floors and ceilings, or between walls. MLV = Mass Loaded Vinyl. Mass-loaded vinyl is quite affordable, easy to install, and an effective soundproofing option that blocks airborne and impact noise. ) you can make it up to 75%. Mass-loaded vinyl was created to be an alternative to traditional construction materials like plywood and cork by using recycled post-consumer plastic bottles. Mass loaded vinyl is clearly the better product for soundproofing, if only because it was designed for this purpose. MLV has a permeability of 0. It is non toxic and is the best alternative to Lead materials for soundproofing. SKU: MLV01x100. x 3 ft. MLV. Now, lay the MLV down on the subfloor. The very thin and flexible characteristics makes it an. Mass Loaded Vinyl. Luxury Liner 2 lb Mass Loaded Vinyl1LB PSA Backed MLV, 4' x 25', 100 Sq. If this is not possible, then 1 layer of 5/8” fire code drywall will suffice. 4. The SIPs were delivered last fall and sat in a stack on the ground all winter. Advanced Acoustics Soundproofing Mat 3m by 1. MLV not only offers effective sound-reducing abilities but is also. MLV Data Sheet. 1 LB Mass Loaded Vinyl. 2 ft. Hello audio people, I am planning on deadening my car, the problem with mass loaded vinyl (MLV) is the cost. It’s a well known and widely used soundproofing material that’s pretty good at its job. As you’re aware, good soundproofing requires the material to be high in mass or density. LuxInterior wrote: Watching this with interest. Soundproofing blankets are generally made using polyester, fiberglass, or mass-loaded vinyl. 4kg 6. The best all-around soundproofing product available, Noise Grabber Brand Mass Loaded Vinyl offers premium sound reduction anywhere noise is a problem. Top Seven Mass Loaded Vinyl Options. It’ll be able to cover all of the gaps. MLV is ideal for those who want to enjoy a quieter home and work environment in city dwellings, along with maintaining the space and dimension of rooms that. In this blog post, we’ll dive deeper into the top 10 mass. It is great for blocking frequencies from. 40/ ft², while MLV would set you back anywhere from 1. Name: Noise Grabber Mass Loaded Vinyl (MLV) - 4' x 12' (48 sf) 2lb. Here’s another alternative to weatherstripping that’s in keeping with the original look of the door: if there’s a large gap under the door, you could add a thicker threshold. Drywall is one of the lowest cost alternatives to provide mass, particularly a double layer of 5/8″ drywall. Soundproofing Materials | Updated: September 23, 2023 If you’ve dabbled in the topic of soundproofing before, you’ve probably heard of Mass Loaded Vinyl (MLV). The walls are so thin you can literally hear the neighbors individual toilet paper squares being torn from the roll. Providing more cost-effective alternatives in walls, ceilings, and floors than many layers of plasterboard. It's a viscoelastic material, which means that when the deformation happens, MLV exhibits both elastic and viscous characteristics. How to Install Mass Loaded Vinyl. Composition: Processed Rubber Granules. Alternative to mass loaded vinyl. It's the mass which stops the noise. What’s more, mass loaded vinyl is never cheap, but it’s very good at what it does. It is great for blocking frequencies from. They are similar to MLV curtains in the sense that you can hang them. UberQuiet MLV Seam Tape, 2" x 108' - for Installation of Mass-Loaded Vinyl Noise Barriers (for Approx. It is used to add mass to walls, ceilings, and flooring to help with soundproofing an area. For me, this easily mitigates any concerns about price against performance. STC 27 Manufacturer Mass Loaded Vinyl Density Mass Density Vinyl ｜Mass Loaded Vinyl Thickness 3mm Mass Loaded Vinyl STC Rating 27 High Density Mass-Loaded Vinyl. The sound waves simply dissipate against its surface. 05. Mass loaded vinyl seems like a good option, but it's expensive. Finish: Smooth Finish. It is the only real alternative to lead sheeting or fiberglass insulation batting. It is non toxic and is the best alternative to Lead materials fo. Mass Loaded Vinyl. Double layer of 1/2" drywall on each side, wood studs, batt insulation in the wall. The opposite side is a dense layer of 20 STC 1/16" Mass Loaded Vinyl (MLV), which is used to block sound from passing through the isolé. Using MLV, you could soundproof walls, doors, ceilings, ducts and pipes, and other sound control applications. Soundsulate MLV is the superior solution over other soundproofing alternatives for blocking sound effectively. Mass Loaded Vinyl (MLV) is the perfect material for use as a sound barrier on walls and ceilings. How to Annoy Upstairs Neighbors Legally and Illegally? Top 5 DIY Under Hood Insulation Methods That Work Effectively . Color is black. roll = 66 lbs. This is a benefit because the more mass a structure has the less it can vibrate anyway. Underlayment is a great alternative to mass-loaded vinyl. These vibrations create low frequency sound waves which cannot be blocked by foam panels. TMS Sound Proofing Padding. Now it’s be used for dozens of applications such as pipe insulation material. Firstly, TMS uses only the highest quality vinyl in the production. Alternative Views: Our Price: $ 168. Also google “isolated channel” it is a lighter alternative technique. It’s much cheaper when compared to other models making it a cost-effective unit. Size. Mass loaded vinyl, MLV for short is a flexible and very dense material. Mass-loaded vinyl soundproofing is used in industrial, commercial, and residential environments to create sound barriers between walls, flooring, ceilings, partitions, and other surfaces. MuteX diminishes and eliminates Sound Transmission! and also reduces or eliminates sound transmitted through the floors, walls, and ceilings. The standard of the industry is to install the MLV directly to the stud or joist framing using an industrial stapler or heavy-duty roofing nails that have the large plastic heads. Total 11031 products from mass loaded vinyl alternative Manufactures & SuppliersMass loaded vinyl (MLV) is an effective noise-reduction product installed in walls, floors, and ceilings to act as a sound barrier, similar to green glue or lead sheeting. The heavier the material the higher the soundproofing performance. Window with Fantastic Frame Window Insert. Noise Grabber Mass Loaded Vinyl is made from recycled materials, and is an odor-free and non-toxic soundproofing solution. Made of high-density organic sands and salts, as well as minute metal particles, these. 2 out of 5 stars. MLV can also be laid on top of the subfloor before installing the timber flooring to provide an additional layer of soundproofing. Mass loaded vinyl or MLV is a material commonly used for soundproofing because of its great noise blocking capabilities and flexibility. Green Glue Compound. From. Some other materials are known as Mass Loaded Vinyl (MLV) which are simply a rubber compound impregnated to increase mass and density. This is the most popular application of MLV. However, if you want to stick with superficial applications only, either put it under the carpets on the floor above the basement or attach it directly to the. How to Install Mass Loaded Vinyl. It is great for blocking frequencies from. TechnoWall Acoustic Mass Loaded Vinyl (MLV) Barrier is a premium, multi-use soundproofing material that reduces sound wave transmission. Alternatives? Looking for a mass loaded vinyl alternative? There are a few options out there that can provide similar results. Add to cart today! 07 3287 7647. 00Limp Mass Vinyl MLV Alternative ｜Mass Loaded Vinyl Floor Insulation MLV Sound Deadening MLV Under Carpet. 95 Get it as soon as Tuesday, Nov 21 Mass Loaded Vinyl (MLV), is a viscoelastic material like polyvinylchloride (PVC or vinyl) that has been loaded with an inert material like barium sulfate or calcium carbonate for added weight. Mass Loaded Vinyl as a Soundbreak and QuietRock Alternatives. If you’re looking into soundproofing, then you’ve come across Mass Loaded Vinyl (MLV), also known as “Limp Mass Barrier. MLV is produced by extruding a polymer through a screw and chamber at high temperature and pressure. If you don’t want a light fitting that impedes a room’s space. This mass loaded vinyl is ideal for direct application to the noise source and/or to the housing covering the noise source. MLV. PRODUCT IDENTIFICATION PRODUCT NAME: Vinaflex™ DESCRIPTION: Mass Loaded Vinyl 2. Mass loaded vinyl for cars and the correct uses for itMass loaded vinyl for soundproofing: 17 mlv facts! [2019] Vinyl mass loaded uses sound search soundproofingVinyl mass loaded barrier sq ft roll american insulation x25 sound per 1lb x30 variety sizes available foot square thick. per sq. TMS Mass Loaded Vinyl – 4 x 25 Feet – 1 Pound per SF - Effective Blocking of Sound and Noise – Wide Range of Applications - Best Quality, Made in The USA. You might be familiar with viscoelasticity that defines memory foam. Just as the name implies, Mass Loaded Vinyl is used to add mass to surfaces, as well as dampen and absorb sounds. Mass loaded vinyl works so well for fences, because it’s cost-effective, thin relative to its density, and very durable for outdoor use. Impact noise will not be reduced with MuteBarrier™, and our MuteMat™ range be ideal for this. At just 1/16″ thick, Wall Blokker Lite is a cost-effective alternative to multiple layers of drywall. Description: These are flexible mass loaded Vinyl (MLV), used for reducing sound transmission through walls and providing noise isolation from unwanted sources. Mass loaded vinyl for soundproofing. Make sure the towels are completely dry before removing them from the dryer. Dampening. Made in the USA - High Quality Mass Loaded Vinyl [PVC material not the cheap eva] Perfect for Automobiles, Condos,. If you. MlV noise barrier acts as a reflective barrier and reduces sound from leaving the confines of a space. MLV sound insulation is a low-cost alternative to lead sheeting noise insulation for walls. In a run-down neighborhood, Frank Castle wakes up and exits his van to get his laundry done. Alternatives to mass-loaded vinyl? Alternatives to TimberSIL. Green glue is an acoustic adhesive that is used for soundproofing very frequently. 4. Mass [ edit] Adding dense material to treatment helps stop sound waves from exiting a source wall, ceiling or floor. ft. 1 lb. Noise S. Insulation contact rated if using it. 184 posts · Joined 2009. 00 $ 99. Floor Underlayment If you can’t afford Mass loaded vinyl, a better alternative is floor underlayment, which works best by. = 26. Now, lay the MLV down on the subfloor. Mass-loaded vinyl is a flexible yet dense material used to block airborne and impact sound transmission. But you should know that they don’t entirely measure up to MLV in certain regards. No different housings required. It is basically a viscoelastic material, such as polyvinylchloride, that is infused with an inert material, like calcium carbonate or barium sulfate. Noise Grabber Mass Loaded Vinyl - 2 LB, 4' x 4', 16 Square Foot Roll of MLV - Dozens of Options, Soundproof Barrier, Reduces Noise, Installs Anywhere, Made in the USA Kaqiluo 2 Pack High Density Self-Adhesive Sound Insulation Acoustic Foam, 0. A lot of people has been. 5. Deduct 1/8” – ¼” from total height. A greener, more viable alternative to lead soundproofing, MLV barriers are composed of salts, sands and tiny metal particles that give it sound reducing properties similar to old lead sheeting, but without the stigma. Commercial Acoustics Sound Barrier is a specially designed mass loaded vinyl product engineered to block the transmission sound waves. Its thickness can also vary, but it’s common for it to be between 1/16 to 1/4” thick. The thought is to put a layer of MLV. Mass Loaded Vinyl Alternative. The price would vary on the thickness and length of your choice. Let’s look further into the reasons why that is the case. It is great for blocking frequencies from. Now that you know when MLV alternatives may be the better choice, let’s explore the top options available and how they compare. If it’s wavy, it will absorb impact noise more effectively. Mass loaded vinyl is a thin but super dense rubberlike material. with an STC rating of 26. So even if you didn’t have insulation under the subfloor, it wouldn’t matter. The closed cell foam decoupling side should face DOWN to create a “double wall” effect, improving performance. Mass-Loaded vinyl is typically cheaper than adding extra layers of drywall, is much faster and easier to install, and provides a higher STC rating overall. You’ll still have a gap, but it will be smaller and so. Unless you know some of its most reliable alternatives, getting the best replacement could be challenging. It still does a fair job, but you should look at it as a short-term solution only. Mass loaded vinyl is commonly used to improve the Sound Transmission Class (STC. MLV adds great STC values to any wall or ceiling by adding heavy mass. 5/8 drywall is 2. 3 x 5000 mm, 4. In some stiff walls (single wood stud), a combination of approaches may make sense. These mass loaded vinyl (MLV) noise barriers applied underneath the soundproof foam mat can block out noise one level higher—plus, they also add thermal insulation to your car. The best part is that mass-loaded vinyl is paintable- you, however, need latex paint of your desired color, and you’re good to go. Mass loaded vinyl is clearly the better product for soundproofing, if only because it was designed for this purpose. Double drywall with nothing is less than those. Barium sulfate is a non-toxic and high-density material that is used. 1. A standard 1 lb. 14+$23. MLV, or Mass Loaded Vinyl, is both, and it’s actually a sound blocker, rather than an absorber, like most other acoustic materials. February 18, 2020. Acoustic Foam Panels. Mass Loaded Vinyl. Different widths and densities in soundproofing material reduce sound within a variable frequency range. This membrane also goes by the name of “dB-Bloc” and is the primary reason why the blanket blocks the noise. It is flexible and heavy which makes it work great for all soundproofing applications. Different widths and densities in soundproofing material reduce sound within a variable frequency range. Drown Out Loud Neighbors or Roommates: Whether you’re hearing noise from above, or outside, you can use mass loaded vinyl to create more mass and drown them out. Installing mass-loaded vinyl is simple enough once you understand the basic components of a wooden fence. It is a perfect alternative for damp environments like bathrooms and kitchens. Mass Loaded Vinyl Alternatives: Do They Work? By James Burkett Last Updated January 12, 2021 Mass loaded Vinyl is one of the most popular materials used. 7 ft. $60 to $110 for a layer of QuietRock. STC Rating: 48-60 (depending on wall construction). TechnoWall Acoustic Mass Loaded Vinyl (MLV) Barrier is a premium, multi-use soundproofing material that reduces sound wave transmission. Whether you're dealing with loud neighbors, traffic noise, or home recording studios, investing in high-quality mass loaded vinyl can make a world of difference. The reason behind it is usually the packaging rather than the product itself. Not terribly expensive and you can hang them on the wall like the blankets from removable hooks instead of on rods. 18MB. Premium Acoustical and Insulating Fiber Floor Underlayment with Integrated Moisture Barrier. About Mass Loaded Vinyl “Mass Loaded Vinyl” (MLV) is made from mineral filled, recycled PVC, and is designed for maximum sound transmission loss in a thin sheet material. Working in between studs with fiberglass and mass loaded vinyl. Instead of this, it reflects sound waves and also absorbs some, which makes it ideal for use in rooms. 05m2 roll = $247 plus $20 delivery per roll 8kg 4. Ft. Though thin, mass-loaded vinyl is a dense material that blocks sound by adding mass to ceilings, floors, and walls. I know- I did car audio for over 20 years. Mass-Loaded Vinyl Alternatives. The walls are so thin you can literally hear the neighbors individual toilet paper squares being torn from the roll. The vinyl provides flexibility and the core provides dense mass. Recycled Content: 90%. Used in many places such as in walls and ceilings, under carpet to soundproof the ceiling of the room below, or wrapped around noisy pipes. - RSC-1 sound isolation clips. = 32. These three layers work together to form an effective sound barrier. However, you can still choose several different thicknesses. Additionally, you can hang mass-loaded vinyl around the drum room to soundproof the drum room and prevent mid-and high-frequency sounds from leaking outside. Made in the USA from virgin material, no odor. Mass [ edit] Adding dense material to treatment helps stop sound waves from exiting a source wall, ceiling or floor. Mass Loaded Vinyl, or MLV, is a Vinyl-based sound membrane designed to add maximum soundproofing and dampening to your wall assembly. Though thin, mass-loaded vinyl is a dense material that blocks sound by adding mass to ceilings, floors, and walls. - Two layers 5/8" drywall. Foam, for instance, is employed to. Not just that, but this synthetic material can be used to soundproof air ducts and pipes, so it’s a versatile material. At even just ½LB per sq ft, MLV can produce a 25 STC rating, which is 1/16” thickness. COMPANY IDENTIFICATION DISTRIBUTOR: GLT Products 6810 Cochran Road Solon, OH 44139. MLV is typically attached to joists or studs, followed by covering seams and joints with acoustic caulking or barrier tape. 3: Soundproofing spray. 2 lb. The point of bracing a box is to keep it from resonating. The thing with floors is that they tend to resonate. Mass Loaded Vinyl (MLV) is the preferred solution for sound proofing interiors easily and effectively. It is equal to lead of the same mass in effectiveness and acts as a thin de-coupling sound barrier in stud walls, ceilings and timber floors. I think the answer is to add as much mass to the floor panels as possible, preferably with a flexible adhesive like the. Get a Free Quote. Applying MLV to your door involves measuring the door, cutting the vinyl to size, and attaching it to the door with construction adhesive. £31. Dense, yet flexible, mass loaded vinyl improves sound transmission loss (STC) without losing valuable space. 2') would be about 5 times the cost of solid rubber gym mats (. Not just that, but this synthetic material can be used to soundproof air. Noico 80mil Sound Deadening Mat. non-reinforced mass loaded vinyl will have roughly the same STC (Sound Transmission Class) rating as a 5/8” layer of drywall. Green Glue vs. Unless you know some of its most reliable alternatives, getting the best replacement could be challenging. Measure the wall. See below our analysis of Soundbreak Alternatives. 2. The posts and the rails form the frame of the structure. tim_dilletante | Apr 19, 2022 12:37pm | #6. Consists of high performance noise barrier and sound-deadening properties. A roll might be 100lbs or more. However, to meet or exceed the performance of GenieClips® RST or Rafts, the double stud wall assembly will end up around 12” thick, about double the thickness of a GenieClip or Raft wall assembly. If you're in the process of soundproofing a wall, you might have heard of mass loaded vinyl and green glue noise proofing compound. And the boy cries a lot. Sound barriers consist of sheets of mass loaded vinyl (MLV) that are hung onto the surrounding fences. It's a pretty silly marketing term for polyvinylchloride (PVC) to make it sound less "synthetic". mainly to keep out road noise and to keep musical sound inside. SoundBreak and Quiet Rock drywall does have its pros. Best Substitute to MLV;. There's a building going up down the street from me. MLV is equally effective whether placed loosely or taught on framing. Product Code: 11002. MLV can be considered a removable sound deadener and is durable and robust, it suits application where dampening mats and foams are limited. Like acoustic lagging, you cut off parts of the material and attach them around the pipe you want to soundproof during installation. Have a more peaceful space. 7. Top 10 Alternatives to Mass Loaded Vinyl. 5-2lbs. For me, this easily mitigates any concerns about price against performance. Long Island City, NY 11101. 36. Floor Underlayment If you can’t afford Mass loaded vinyl, a better alternative is floor underlayment, which works best by minimizing impact noise. non-reinforced mass loaded vinyl will have roughly the same STC (Sound Transmission Class) rating as a 5/8” layer of drywall. One of my most recommended mass-loaded vinyl available online is TMS Sound Proofing Padding for Wall. With the great quality of mass loaded vinyl and good conditions (angle of the noise source, house position etc. Brushwood fences, also known as heather fences, are affordable for those unwilling to spend on costlier alternatives. It is flexible and heavy which makes it work great for all soundproofing applications. The subjective nature of noise means your sensitivity to a specific. / sq. Overlap the sheets to compose as solid a barrier as possible, and then caulk any seams with acoustical caulk. 7. 60 a double panel. The very thin and flexible characteristics. 6. Additionally, if the carpet becomes wet, the vinyl will likely become wet and slippery, making it difficult to walk on. Our 1 LB MLV weighs 1 LB per square foot (SF), and measures approximately 1/8" thick. Mass Loaded Vinyl. The material is placed beneath any floor and just above the subfloor. 65%. These results help to prove that Mass Loaded Vinyl is the number 1 option for sound reduction products. Now if you're able to create MVL curtains -- they won't slide. If you can’t collect the best recommended one, then you can try this alternative. Mass Loaded Vinyl (MLV) sounds like something tough and effective at noise reduction, because it is tough and effective. Soundproofing Material Mass Loaded Vinyl 1. It’s best to remove them now, rather than later. Datasheet for Mass Loaded Vinyl. It is rated at 26 STC points in the one pound variety and 32 STC points in the two pound version. This is an updated video from a few years back with a lot of new information regarding. $ 194. “ /> sales@mmtacoustix. can be used under carpets or hardwood floors, or. In a wall, if it's directly against the drywall I don't understand what that would accomplish besides an expensive way to add mass. With an ultra thin profile of 2mm (approximately) and high acoustic performance of Rw 26*, 4kg/m2 Mass Loaded Vinyl is an excellent product to soundproof walls, timber floors and ceiling spaces in. Add the Insulation - Your second layer is Heat Wave Pro, which adds insulation and sound absorption. Measure the height of your wall – this’ll be the length needed for cutting the mass loaded vinyl. Now I am telling you another alternative to mass-loaded vinyl. Floor underlayment is mostly used in the reduction of impact noise on hardwood floors and also as a cushion for the floors. The combination of materials makes isolé ideal for absorbing and blocking sound that would otherwise reflect and escape through doors, windows, vents, and other weaknesses in the structure. AS DENSE AS A WALL – 2 lb. You can get up to 35 STC by using 2lb per sq ft and 1/4” thickness; however, this is slightly more difficult to work with. This has been a brief description on alternative methods of installing mass loaded vinyl. 6lbs. Now that you have the material, you can start installing. It is flexible and heavy which makes it work great for all soundproofing applications.