In this blog post, we’ll dive deeper into the top 10 mass loaded vinyl alternatives, providing more information about each one, including comparisons to MLV in terms of installation, cost, and performance. Coverage of 365 sf when used 1 caulking gun loads for each 4' x 4'. Mass Loaded Vinyl As one of the more common noise-blocking materials on the market, you may think that it would. x 1. The vinyl provides flexibility and the core provides dense. Green Glue Noiseproofing Compound vs. Cable Isolator. Green glue is a viscoelastic compound that insulates sound using the constrained layer damping (CLD) system. 1. Mass-Loaded Vinyl Sound Barrier. Use as much as is necessary to hold the MLV in place. Same wall, but mass loaded vinyl is 45. Attach nozzle to cartridge and place cartridge into a standard quart sized caulking gun. This means that if you choose to go the double drywall way, you also have to incorporate green glue for best results. Green Glue Spreading a layer of a viscoelastic compound like Green Glue. 0 lb/sf. 7. Call 888-827-1266 or Shop online today!The gains in mid to high frequency ranges will be noticeable, but not significant. Green glue consists of either rubber-based adhesives or synthetic resins that contain no volatile organic compounds (VOCs) – this makes it a good alternative to mass-loaded vinyl, which is also not regulated by VOCs. I was looking at options for insulating and sound deadening. Read more on how to install mass loaded vinyl here. The reason why people gravitate towards Green Glue comes down to a few different factors. com. STEP 4: After applying Green Glue to the back of the second layer, raise the board into position, press the board against the wall or ceiling, and fasten in place using appropriate screws. NBS. Bituthene 4000 36 in. For more information on mass loaded vinyl use, check out our page on what is mass loaded vinyl. While Krazy Glue is a brand of Super Glue, their formulations may differ slightly, but they essentially serve the. Andre 3. Quantity = Length. If you want to add mass to your ceiling without removing the drywall, you should invest in MLV. 5-2lbs. The Rubbery material in Constrained layer acoustic damping is Mass Loaded Vinyl (MLV). Two with the Power Grab, and two with the 77. It's all about the "sum of all the parts" here. T. 3: Install Mass Loaded Vinyl for Soundproofing Walls. I am also raising the floor and green glueing in order to soundproof. Shop now to enjoy our & fast shipping. Green Glue Buckets; Combo Pack; Mass Loaded Vinyl. Ensure that edges are tightly butted together in all areas. Mass-Loaded Vinyl is the ultimate tool for adding mass to your walls, floors, and even ceilings without adding unnecessary bulk. As with mass loaded vinyl, you want to seal around the perimeter and and penetrations with acoustical sealant. m. It is used to add mass to an area, thus making. Noise Grabber™ MLV is offered in multiple. It is also ideal to use multiple high-density or high-mass materials for your room. A quick search online and you will find numerous tape options at every cheap prices. Roxul Safe N Sound. Measure the height of your wall – this’ll be the length needed for cutting the mass loaded vinyl. Install mass-loaded vinyl on the walls and ceiling of the booth. It is equal to lead of the same mass in effectiveness and acts as a thin de-coupling sound blocker. Cons. A layer of loosely hung mass loaded vinyl (MLV) adds a noticeable amount of sound reduction across the audible spectrum while only minimally increasing the wall thickness. Green Glue: A brilliant Soundproofing material used to glue the edges and second layer. This is why people say "use book shelves" and things like that. 5 mm). Page 2 of 3 - Green Glue -vs. Other soundproofing materials. Our use oc703, double drywall, green glue, and RISC clips like the home theater guys do. Green glue is an acoustic adhesive that is used for soundproofing very frequently. $172. Your choice: Green Glue or Mass Loaded Vinyl (MLV). For instance, oxidation or impurities can cause grease to turn brown or black, while additives may give it a distinct color. Factor this into your project timeline. However. So I hope that helps a little bit with the explanation. The glue will set in about 5 minutes; however, it takes 24 hours for. Final Thoughts on. 2 layers of 5/8″ drywall with Green Glue sandwiched between would be my choice. Green Glue 5 Gallon Pail; Speedload Dispenser; Serena Underlay; IB-1 Sound Isolation Clip; IB-3 Decoupling Bracket; Acoustical Putty Pads; View All; View Cart; 0. The most common areal weight for Mass Loaded barriers is 1. TECSOUND is a mass loaded sticky back vinyl sound barrier that adds a lot more mass to the plasterboard construction and let me tell you, this stuff is incredibly heavy. Green Glue. More recently, I had a silencer box built to contain the compressor- using marine grade plywood, two layers with green glue in between, and covered the interior with a specialty product - large sheets of melamine foam forming a sandwich around an inner layer of mass. 00 per square foot, which becomes prohibitive for some. Let us help you with your soundproofing plans. Key Takeaways From The Compatibility Chart Understanding The Results And Their Implications. There are no test results that I can find for green glue/boards directly to the wall in the way you suggest. (Central Time). 1. advancedacoustics-uk. One each on the smooth and sanded sections. - Mass Loaded Vinyl 10 20 30 40 50 60 70 31. the construction chart using green glue, MLV and other stuff, as you can see there are slight. Important Notice: SilentWrap™ Mass loaded Vinyl PSA needs a smooth surface to bond effectively. MLV. The folks I follow like green glue more than MLV for between drywall. $195. See moreBoth green glue and mass loaded vinyl are effective sound blockers as they prevent outside noise from coming inside. It can is expensive comparatively but still cheaper than the drywall. Green Glue is typically used for dampening sounds and reducing vibrations, while MLV is used for blocking sound by adding limp mass to a structure. A square foot of MLV can cost anywhere between $1 and $2. It’d help with dampening the 2 pieces of drywall and filling in any air gaps. Soundsulate Mass Loaded Vinyl; 3. MLV is typically attached to joists or studs, followed by covering seams and joints with acoustic caulking. Used as a sound barrier in homes, offices and hotels. Mass Loaded Vinyl Mass Loaded Vinyl (MLV) is a dense, heavy yet flexible black, gray, or transparent vinyl soundproofing material. Technical & Advanced Car Audio Discussion. Well, the green glue compound consists of a polymeric formula that helps in sound deadening when applied between two. Related Article: Upgrading Existing Floors, Green Glue -vs- Soundboard, Green Glue Application Notes . Mass Loaded Vinyl (MLV) comes in 1 or 2 pounds/sq. mass loaded vinyl. 25m by 3m and 2mm thick. SKU: RSIC-1_10PACK. 40. Lay your pieces of fiberboard on the floor so you can stick the MLV to the inside. " Green glue states "In a laboratory simulation, an STC of 55 was achieved. Vinyl – this is what gives MLV its flexibility. I do not know if Green Glue is superior to MLV, but if you are adding drywall to drywall, use the Green Glue sandwiched between. 4. 29) Rob : Looking at the cost of green glue vs. There are even studies showing Green Glue vs MLV outperforming the vinyl by 10-15 dB. Mass loaded vinyl; Acoustic foam; Green Glue; Nails; Measure the size of the window, including height, width, and depth. Foam moats: This will serve as an additional soundproofing layer for our quiet box. Mass loaded vinyl and other limp mass products. This material will not help with. The 2” thick batts provide soundproofing over a great range of frequencies, but the 4” will have the best low frequency performance. If applied the right way, People see a major difference in controlling sound. per square foot. Mass Loaded Vinyl. An alternative to a staple gun is the use of a nail gun or screws to hold the MLV fast. Those same doors’ STC values shoot up significantly after proper sealing: 2. RSIC-1 sound clips - This alternative to mass loaded vinyl uses the resilient properties of rubber to decouple gypsum board from your wall or ceiling. 6lbs. On either side of the vinyl, we place a nominally 1″ thick piece of fiberglass, and then quilt the whole product in a heavy duty vinyl. Soundproofing is the process of using specific materials, like acoustic foam and soundproofing panels, to prevent sound from entering or exiting a room. Green Glue vs Resilient Channel download: A 6 page test data guide of Green Glue versus Resilient Channel Admin | Downloads: 6512 |. m. An STC rating of 52 in a wall with Green Glue Compound will likely yield a mid-40’s STC in ceilings. The best theoretical sound absorption would come from a limp mass barrier (see the appendix). Mass Loaded Vinyl has been applied in soundproofing since the 1960s. Mass Loaded Vinyl. Non-Reinforced. Keep reading for an in-depth view of the advantages and disadvantages of using either bricks or. Here’s a video describing the difference between 1/2″. Made in the USA from virgin material, no odor. 6. From this chart you can see that for the most part adding Mass Loaded Vinyl or Green Glue to a wall will greatly increase the transmission loss at frequencies above 250 hz. So sound proofing is a group effort. This should give you some reduction in transfer through. If you are on a tight budget or have a lot of surfaces to soundproof, then maybe Mass Loaded Vinyl isn’t for you. We found Green Glue to be the least expensive and clearly the best performing” Case Study Royal Darwin Hospital. Increase the Mass of the Surface With MLV. 5 mm). Mass Loaded Vinyl is an excellent green glue substitute for soundproofing a home, recording studio, and any other space effectively. Read More Green Glue vs. Green Glue Case, 12 per case Green Glue Pail Applicator Black Vinyl Seam Tape Roll 2" x 108' Acoustical Caulk Sealant Case, 12 tubes per case Our Price: $285. The bad part is that these are not as effective as materials used. Materials: One 1/2" x 4' x 4' MDF, Green Glue, acoustic foam, fabric, neoprene mat, spray glue, weatherstripping tape, and handles. Roll Length. Although it isn’t self-adhesive, it is cheaper than self-adhesive MLVs. 25" x 7. Due to its fluid form, it can even reach places MLV wouldn’t such as cracks or holes. This mass loaded vinyl is great for hanging applications. As you can see from the table below, mass loaded vinyl is more than twice as dense. They can also be used on wall and ceiling joists to enhance sound control. Mass Loaded Vinyl Alternatives. O. With a utility knife, use a straight edge ruler to cut a square edge evenly through the MLV. This acoustic insulation is used for noisy HVAC systems, pipes, ducts, valves and fan housings. MDF and drywall will add mass to the door. 3 Best Mass Loaded Vinyl (MLV) Brands. This improves the STC value of the complete assembly. Priced per piece. Acoustimac Soundproofing Putty Pads 7. Seal all seams and edges with acoustic caulk and install a new layer of 5/8" drywall. Mass loaded vinyl (MLV) is a heavy duty soundproofing material that is often used in construction projects. Green Glue is a popular alternative to Mass Loaded Vinyl, known. One can get MLV at about $1/sq ft. Using QuietRock; 10. Chart 2 - Effect of adding mass 10 20 30 40 50 60 70 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Frequency (Hz)Green Glue - 12 Tube Cases : Green Glue - 5 Gallon Buckets : Acoustical Caulk - 12 Tubes Cases : Combo Pack - 12 Tubes Cases : Mass Loaded Vinyl, 1 LB per Square Foot. Mass Loaded Vinyl or ‘MLV’ is a highly effective but ultra thin, flexible sound barrier blocking material used to add mass to any. Make sure no air gaps are forming that will contribute to sound leaking. 2500 to 5000 hz - Green Glue performs best, MLV Sandwhich is a close 2nd. 16th June 2017 #3. 1. When a room is framed and ready to insulate, affix your chosen paneling to one side of the frame. This non-hazardous glue is available in tubes and pails. Noise Grabber MLV is an excellent barrier to reduce transmission of sound and effectively reduces undesired noise. Includes free shipping on many soundproofing and acoustical products, Free Shipping on Green Glue damping compounds tubes and buckets. framing. I know MLV has been blasted in the forums before as being "not effective" in its soundproofing purposes versus the cost. 2. We offer Mass Loaded Vinyl Products in 4kg, 5kg, 6kg or 8kg/m2 variants. Mar 19, 2015. Ventilation Duct: Used to create a proper air supply for the generator box. What’s more, they’re really easy to stick up with some Green Glue, which will improve their sound dampening. In contrast, drywall is a lightweight material that usually contains gaps. Option 1 – Mass Loaded Vinyl. Learn the benefits of using Green Glue vs. MLV is produced by extruding a polymer through a screw and chamber at high temperature and pressure. TMS Mass- Loaded Vinyl Sound Barrier. Read honest and unbiased product reviews from our users. TMS Resilient Sound Clips; Whisper Clips;. Click images below for PRICING & more information on each product. Use a 50-100 lb roller to bond underlayment to sub floor. The objective was to show the effect of low end control with typical corner mounted foam vs our 244 Bass Trap. com FREE DELIVERY possible on eligible purchases. Another option is one layer of 5/8″ QuietRock with a sound dissipating polymer inside the sheets. Stick all the pieces together and seal the gaps with Green Glue. MLV is great for. $16. The Green Glue Company is pleased to present data for Green Glue (a viscoelastic damping material), and mass-loaded vinyl, commonly known as MLV (a limp-mass sound barrier). Size the hole of the nozzle according to the hole that needs filling, making sure not to exceed 3/8” (. The Green Glue Company is pleased to present data for Green Glue (a viscoelastic damping material), and mass-loaded vinyl, commonly known as MLV (a limp-mass sound barrier). Here in the States, Green Glue is the least expensive damping material at $0. The reason behind its popularity is simple and effective application coupled with a modest price. Acoustician and manufacturer of acoustic treatments at an industry leading company. The Pros and Cons of Mass Loaded Vinyl. 5 mm Sound Control Underlayment for Vinyl, Laminate and Wood FlooringAdd Mass Loaded Vinyl. MLV is 1/8″ thick and will reduce both Airborne Noise and Impact Noise by up to 27 decibels. Green Glue Compound. Resilient channel by itself will provide minimal benefit to isolating impact footfall noise. After spending some time researching, I’ve come up with a quick answer: The benefits of using MLV vs. Mass loaded vinyl and green glue are in stock. 5 out of 5 stars 81. per square foot at 1/2” thick. Advanced Acoustics Soundproofing Mat 3m by 1. MLV has a permeability of 0. Stick mass loaded vinyl to the outside of the box. People will often choose fiberglass over mineral wool because it’s much cheaper and still effective. But it must also be about 1” wider on the sides to create a tight seal around the window frame. Measure your wall from top to bottom. It transforms sound energy into small amounts of heat, effectively dissipating noise and reducing its transmission. 14+$23. Density: 1 lbs/ft2; Dimensions: 54” x 24” Size: 9 ft2; Made of mass loaded vinyl material; Offers both acoustic and heat resistance; It’s durable; Check Price: Henkel OSI SC175 Draft And Acoustical Sound Sealant. - 5p. Fabric-Wrapped Panels. They can dampen a sound wave by increasing the distance between your bathroom wall and its insulation. Water. – Soundproof Guide Green Glue vs Mass Loaded Vinyl – All the Facts You Need to Decide! Soundproofing can be a pretty tough thing to get just right. (it's not a. These will leave small holes in the wall, but you can caulk them easily and make them disappear in a manner of minutes if you decide to remove the vinyl at any point. is another way to damp sound vibration. the sound meters shows 95 db with the FM radio playing in the room, other side of wall, the meter doesn't register!Shop our soundproof mass loaded vinyl barrier today. Show. Installing Acoustic Foam Panels; 11. The data was collected at Orfield Laboratories, an independent NVLAP accredited lab in Minneapolis, MN, in 2005, and compares Green Glue to two different common. Green Glue noise proofing compound. I'm planning to use green glue+double drywall and decouple the studs with 2x6 footer/header and 2x4 studs. The math works as follows: $25. The RC-1 Boost™ clip is designed for Wood Framed. T. Acoustical barriers are commonly used to absorb sound and prevent sound transmission in applications such as recording studios and other soundproofing projects. Same wall, but mass loaded vinyl is 45. They measure 12″ x 12″ x 0. Temple of Light. Soundproofing walls is best done before installing drywall or any other sound absorbing panels. Green Glue is a thick liquid that is applied between two layers of drywall to create an effective sound barrier. Green Glue - Best to Soundproof Walls? - YouTube If you're in the process of soundproofing a wall, you might have heard of mass loaded vinyl and green. Applying Soundproof Paint 8. Acoustimac Soundproofing Putty Pads 7. It is. Simply subtract the second number from the first number to get transmission loss. is another way to damp sound vibration. It can be applied around doors and windows to help create a barrier against sound. The manufacturer’s guidelines state you need 2 tubes per sheet squeezed over in a random pattern. Its thickness can also vary, but it’s common for it to be between 1/16 to 1/4” thick. Just like mass-loaded vinyl above, green glue helps reduce both impact and airborne noise. The Pipe Noise S. or floor, regardless of other materials used in that assembly. One of the best qualities of green glue is that it can be used in wet rooms, such as a bathroom or kitchen. Simply cut mass loaded vinyl into any shape to create a very thin type of sound barrier on a server rack. The whole article above explains why that is. What makes it unique is that it has a lot of mass and is yet flexible. Mass loaded vinyl works great. Call 888-827-1266 or Shop online today!Sorry it took so long to reply. No different housings required. 375”)- (Figure 2). Again, Green Glue is ousted here, as it does take more time, both due to needing to be careful in applying it and taking more time overall with its application’s method. ft. In terms of quality and performance both these are at par but one of the biggest differences between the two is that QuietGlue is 35% cheaper than its competitor Green Glue. It’s made from 2 outer layers of vinyl with an interior core of either barium sulfate or calcium carbonate. Dynamat Car Soundproof Mat. While the weight changes, the density seldom does, so in reality the thickness changes as well. Availability: This product ships in 1 business day. Considering MLV is a pricey product, it makes sense that a mass loaded vinyl alternative should be cheaper. com | Green Glue -vs. Mass Loaded Vinyl Adding mass loaded vinyl. E. Make up a test panel and have it tested. Add wall mass – You can achieve walls with more mass by adding high-density materials like mass-loaded vinyl (MLV). Wait 15 minutes for it. It allows for thin walls of 50+ STC points. You will be applying it on top of your old wall for even better results you can try it in combination with either mass loaded vinyl or acoustic foam panels. Using Resilient Channels; 4. Green Glue. Buy Sound proofing materials for Walls, Floors, Doors, and Ceilings & more from Acoustimac. In short, this means that, when hit with sound waves, it doesn’t vibrate. GG must go between 2 rigid surfaces to absorb acoustical energy. Green Glue - Which Is Better For Soundproofing? Soundproof Your Studio 4. In addition to the vinyl, which is the main ingredient here, there’s often another high-mass. Applying Blown-In Insulation; 5. While the gains in low frequency isolation will not be noticeable. Green Glue Adhesive Tubes: Green Glue Sealant Tubes : Mass Loaded Vinyl 50 Sq Foot. Green Glue vs. 4. Green Glue between the 2 layers of drywall, or between 2 layers of subfloor for 2nd floor treatments. SKU: MLV01x100. Not all pipe wraps are true MLV. The purpose of mass loaded vinyl is exactly as it sounds. Roll System Waterproof Membrane and Conditioner (200 sq. Made in the USA from virgin material, no odor. Green Glue – Damping Compound; For more information on mass loaded vinyl use, check out our page on what is mass loaded vinyl. The square footage adds up quickly when you are doing entire walls and rooms. Buy Sound proofing materials for Walls, Floors, Doors, and Ceilings & more from Acoustimac. A square foot of MLV can cost anywhere between $1 and $2. The cost for Green Glue for this size room seems to be about $1,100 plus the cost of a second layer of drywall. Mass Loaded Vinyl Adding mass loaded vinyl. $ 149. With the addition of mass, the vibrations created when utensils are dropped in the sink or when high. Ten feet of adhesive-backed foam weatherstripping costs $5 to $10. 1st query is if its cheaper to use mass loaded vinyl instead of green glue , whats the better performance ? I was planning to do the same for the ceiling but came across a system using acoustic hangers, so which is better resilient bars or hangers ?. green glue acoustic foam soundproofing. 74 for a 4×8 section of wall using double drywall vs. I haven't measured yet but I'm inclined to say that the Green Glue is clearly better than the mass loaded vinly. Starting on the backside of one sheet of drywall, add a layer of Green Glue. Water-based and. Remember many acoustic plasterboards include mass loaded vinyl as well as the other layers so it’s only a better option if you’d struggle to fit in acoustic plasterboard. Just be careful not to apply too much, as the glue will clog up the cork’s pores. The data was collected at Orfield Laboratories, an independent NVLAP accredited lab in Minneapolis, MN, in 2005, and compares Green Glue to two different common. Make sure that the sound remains at the same frequency, and stays in the same place. x 66 ft. com. Thanks, Ted. Long Island City, NY 11101. MLV is short for mass loaded vinyl (Amazon link). Mass loaded vinyl; Closed cell foam sheets; Green Glue; Vinyl cement or glue; Staples; Ideally, you’ll want the thickest drywall you can find. . ft. It is non-toxic, and has a high relative density that makes it effective in blocking sound. This heavy-duty blanket is made with an exterior-grade, UV-resistant, quilted fiberglass sound absorber that’s bonded to a reinforced, one-pound-per-square-foot loaded vinyl barrier, creating a powerful sound-blocking solution. 6. 59 – $ 363. By airborne means, sound can leak from one room to another via gaps in: 1. When buying from a brick-and-mortar store. Also known as ‘barrier mat’, MLV is a generic material manufactured by many different companies. January 5, 2023 by Jan. It is constructed by adding barium sulfate or other heavy minerals to vinyl, resulting in a dense and flexible sheet. In this blog post, we’ll dive deeper into the top 10 mass loaded vinyl alternatives, providing more information about each one, including comparisons to MLV in terms of installation, cost, and performance. If you’ve wondered which is better, Green Glue vs. Green Glue is a great mass loaded vinyl alternative as it’s very effective and relatively cheap. #2. The standard price of MLV is around $110 for a 40′ x 10′ (40 square feet) sheet. One of the key advantages of Green Glue is that it is extremely effective at reducing the transmission of low frequency sounds, such as those produced by bass speakers or heavy footsteps. They are useless for soundproofing! Avoid making assumptions! If you experiment with your own techniques you could actually waste a lot of money. In simple terms that means that it dampens vibrations. Green glue is a natural, non-hazardous glue commonly used in renovations and construction projects. Avoid expensive materials, for example mass loaded vinyl, unless they have been independently tested. I’d consider green glue soundproofing compound preferably a complement/ supplement to mass loaded vinyl than alternative product. Generally, it is heavy and smooth in texture. 5. What is Better than Mass-loaded Vinyl? 1. Call 888-827-1266 or Shop online today!Acoustimac Soundproofing Putty Pads 7. Mass loaded vinyl and green glue are in stock. For the next layers, repeat the process of measuring and cutting to fit for the neoprene foam and mass loaded vinyl. Over the course of several decades, various forms of the material have been sold by retailers of soundproofing materials. Modified 5 years, 5 months ago. Place the sheets close together to avoid any space through which noise could escape. Guys, I know this may be the wrong spot but I need some help. Cheap Green Glue soundproofing substitute; Check Price: Sealant Alternative: Noise Grabber Mass Loaded Vinyl. We have the best deals on Mass Loaded Vinyl rolls for soundproofing. MLV has a density ranging from 0. Mass Loaded Vinyl (MLV): 1. Don’t use thermal insulation products such as polystyrene and expanded foam panels. GREEN GLUE GREEN GLUE VS. Absorption. The RC-Boost Clips are becoming the leader of high perfoming acoustical clips!Used in conjunction with resilient channels for a low cost method of reducing sound transmission. I used roughly 2 and 1/2 tubes of Green Glue per 4x8 sheet and Green Glue Sealant in between sheets and also at the top and bottom of each sheet to fill the 1/8th recommended gap. 4. If you are buying a 12 tube pack of QuietGlue, it will cost you about $70 less than the same 12 tube pack of Green Glue. 1. We found Green Glue to be the least expensive and clearly the best performing”. Here’s a closer look at the benefits of each type of grease: Green Grease:If you want to add more than just Gypsum board use Green Glue between layers of gypsum board. When it comes to choosing the right grease for your industrial applications, you can’t go wrong with either green grease or red ‘n’ tacky. Preview. Acoustic foam panels are also a better alternative for Mass loaded vinyl. But it’s pricey!Green Glue is a noiseproofing sealant that is made to raise the damping of structures to effectively dissipate sound energy. Its weight is an estimated 100 lbs. Find other ways to mask the soundMass Loaded Vinyl (MLV) is a dense rubber-like material commonly used in soundproofing applications. 2. "Level 1" - When cost is the primary consideration; Single stud wall with Green Glue. Attach these materials to the MDF with bond or spray glue. ”. The standard price of MLV is around $110 for a 40′ x 10′ (40 square feet) sheet. It is made from a PVC compound that is filled with Lead shot, metal powder or other weighty materials. On average, mineral wool can be anywhere from 20% – 50% more expensive than fiberglass. So I hope that helps a little bit with the explanation. The sound waves simply dissipate against its surface. I have a couple options I'm considering. On the other hand, you also know what MLV is. These slats need to be butted as tightly together as possible. C. Show. If you go with 2 lb/ft^2 with no gaps, you will notice a significant improvement in noise reduction. Our current solution is to remove my current drywall and add new Roxul Insulation -> Hang Mass Loaded Vinyl (1 lb) -> Decoupling clips and rails ->5/8 drywall -> Acoustical caulk at seams -> green glue -> 5/8 drywall.