Mass Loaded Vinyl or ‘MLV’ is a highly effective but ultra thin, flexible sound barrier blocking material used to add mass to any. One side of the isolé is a 0. Block noise with superb mass loaded vinyl curtains from Alibaba. 2) Environmental-friendly and fireproof. 1 LB Mass Loaded Vinyl. The curtain panels are constructed with grommets. Specifically engineered for efficient sound isolation for a wide variety of applications including wrapping ducts, noisy pipes and valves. The improved durability prevents tearing when suspended vertically, like a curtain. Color is black. Biggest sound insulation improvements can be. Two Pound Mass Loaded Vinyl is 1/4" thick and weighing two pounds per square foot This MLV is great for adding mass to your floors, walls, doors and machinery without compromising on space. Sizing: Product is 4. Add rings and hang For this, you’ll need the following materials: 1. Mass loaded vinyl 2lb,vinyl barrier widely used in building industry, home furnishing, factory work shops, machine rooms , air compressor space pipe, meeting room, multi-function hall, office and car etc. O. Using these soundproofing materials creates more density and heavy thickness in it. Sheer Curtains With Grommets. 4″ and come six to a. These Acoustic Blanket Panels absorb sound inside a contained area to keep the noise energy away from other. Price $280. MLV is produced by extruding a polymer through a screw and chamber at high temperature and pressure. T. With a strong vinyl laminate, the. Non-reinforced. Mass Loaded Vinyl (MLV) is a thin sheet of vinyl with loaded with a dense compound that blocks sound transmission. Our 2 pound Mass Loaded Vinyl has an STC of 33 when hanging by itself. Enjoy Free Shipping on most stuff, even big stuff. Measure and cut: Measure the length of the pipe you want to wrap and cut a piece of soundproofing wrap that is slightly longer than the pipe to ensure full coverage. /sq. = 20. Mass Loaded Vinyl Interior plus 1 in Quilted Fiberglass Back. These pads are easily applied over standard outlet boxes for a secure acoustical seal. Utilize a pneumatic cap stapler to speed the installation. An optional outdoor-rated vinyl facing is also available in Gray or Tan. 295. 52. 99. Additional Information: Industrial Sound Dampening Curtains with a Compact, Folding Design. Click images below for PRICING & more information on each product. Turn Dish Washers into Stealth. Mass-loaded vinyl can get quite expensive, typically ranging from $1. 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. Unroll your MLV on the floor. The mass loaded vinyl curtains help create an exceptionally calm and relaxed environment. A wide variety of mass loaded vinyl price options are available to you, such as others, 3d model design and total solution for projects. Mass Loaded Vinyl Solutions . That makes it. The exterior-facing material is a 10 oz per sq yd vinyl-coated-polyester (VCP) that is quilted to the sound absorber. When your main gripe involves something that isn’t crazy loud, soundproof curtains are a very versatile option. 2 inches; Weight: 3. Several retailers sell fabrics that are specifically designed for soundproofing. PRICED PER ROLL. Price $280. Hang the MLV as a curtain on the inner side of the header. In walls, ceilings, floors, on machinery, household appliances, around pipes, exterior fences, doors, as curtains to divide a room or over a window, and so on. This results in an effective sound dampening material that can be used in construction, automotive applications, or as a portable. 1 roll. Sold by UberQuiet-store and ships from Amazon Fulfillment. Mass Loaded Vinyl Barrier is a soundproofing material composed of mainly vinyl with a combination of Barium Calcium Carbonate and EPDM additives to bring up. Barrier. We carry 1 pound in various sizes from full rolls to quarter rolls, 2 pound, foil faced and reinforced mass loaded vinyl. The Mass Loaded Vinyl backing blocks unwanted noise pollution into areas outside of the Enclosed Area. 61. Vinyl Noise Barrier. 1/2LB Mass Loaded Vinyl. Please contact us at 02 9133 8792 to get a free, no-obligation quote on our noise blocking curtains today. In the single-layer curtains, you can find out Recycled Polyester Fiber , Velvet, or Suede materials. Method 2: Increase the mass of the door. 99. 67 out of 5 based on 6 customer ratings. Learn how Mass Loaded Vinyl (MLV) Curtains can transform your industrial or commercial space from noisy mayhem to a quiet sanctuary. Mass Loaded Vinyl Nails are the preferred method for installing MLV on wood surfaces in wall and ceiling applications. If making them from scratch, measure the window. You will need glue and curtains set, a needle and thread, a strong curtain ring, linen or cotton if necessary, and your mass-loaded vinyl. P. Great to use in music studios, underneath floors, on walls, in basements, and any other place noise reduction is needed. KNC-50RBQ and 100RBQ have an aluminum-faced, quilted fiberglass absorber towards the noise source to block sound from escaping and to absorb sound that is reflected. The curtain features a lamination on both sides with a reinforced MLV material. $3. Address: Industrial Zone, BaoYunda Centre, Xixiang Road, Xixiang Town, Baoan District, Shenzhen, China. 75, Material Acoustical Curtain Laminated With Reinforced Mass Loaded Vinyl Barrier, Snap Lock Tubular Steel. per square foot. 50 to $5 per square foot. etc. 59 – $ 363. non-reinforced mass loaded vinyl will have roughly the same STC (Sound Transmission Class) rating as a 5/8” layer of drywall. Mass Loaded Vinyl Alternatives. The BBC-13X-2″ soundproof fence panels offer the benefits of both a noise barrier and a sound absorber for outdoor applications. MLV is a safe, environmental and without smell, non-toxic noise barrier designed to hang as a limp mass in a variety of soundproofing applications. Method 1: How to Soundproof a Wall Using Mass-Loaded Vinyl. 55. A 2mm thin soundproofing mat designed to block and reduce airbourne noise. At even just ½LB per sq ft, MLV can produce a 25 STC rating, which is 1/16” thickness. Our Mass Loaded Vinyl is manufactured in the USA, is strong and has no odor. Constructed of non-reinforced high temperature vinyl with no lead fillers, this . 1 Review. The material can be cut with a utility knife. Full Details. 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, or MLV, is another great option if you’re going to add a second layer of drywall. Size of Room. These curtains are made of heavy fabric and can be used in any room that has a window or door. isolé® Sound Barrier Sheets. Second Skin Luxury Liner - Mass Loaded Vinyl: STC rating of 32. Wavebar® is a high-performance, flexible mass-loaded vinyl noise barrier, offering superior acoustic transmission loss. 0. 00 Get it as soon as Wednesday, Nov 22 The sound barrier is easy to install, easy to cut, and is UV & weather resistant. #Use mass-loaded vinyl curtains (MLV): Place MLV drapes over windows and doors to block outside noise. 26 : 1/4 : 2 : Ceilings, walls, vehicles. 28 oz (quart size) tube - 1/4" bead application will cover approx 85 lf and 40lf for a. Mass-Loaded Vinyl Sound Barrier. The mass makes the flexible thin sheet of MLV exhibit sound inhibiting properties with a mixture of chemicals, including barium sulfate. Sold in packs of 50 nails for a coverage of 50 square feet of Mass Loaded Vinyl. 13. 125" Tensile Strength - 1350 kPa min Tear Strength - 4500/m (26 psi). It works but that layer would much more effective left loose and floppy like a shower curtain behind the drywall. 1 roll. There are many ways to tackle the problem of cooling server environments. 2 mm (0. Options for our Outdoor Sound Curtains include a 2 inch or 4 inch thick sound absorbing fiberglass by itself or an addition a mass loaded vinyl for extra sound blocking. Wavebar® is a high-performance, flexible mass-loaded vinyl noise barrier, offering superior acoustic transmission loss. 95 $ 24. The ABSC-25 acoustical blankets consist of a non-reinforced 1-lb per square foot mass loaded vinyl barrier Features: Flameproof; Height: 300 inch; Product Description: Acoustic Barrier / Panel. It can significantly reduce noise in almost any situation or application and is used by. Whether using our proprietary Wall Blokker, a high-end EVA-based MLV, or just standard Mass Loaded Vinyl; there are a number of tricks of the trade. Needs to be flexible, not instant tack (to smooth wrinkles), not fast curing, little to no soak-in/bleed through, low VOC/odor. Thickness - 0. When the adhesive is completely dry, you’ll be able to flip over your soundproof window plug and attach the handles. Advanced Acoustics Soundproofing Mat 3m by 1. Constructed of reinforced Mass Loaded Vinyl Barrier, that is sandwiched between 1" thick Quilted Fiberglass (on both sides). Original, non-recycled, odorless material is available in 4’-6” wide rolls up to 245-feet long. 56-$3. This temporary sound barrier consists of a two-inch-thick vinyl-coated fiberglass-cloth-faced quilted fiberglass that is bonded to a one-pound per sq. MLV comes in different thicknesses, from thin drapes to sheets inches thick. It has. The higher the STC rating on a. This will save us space in the construction of the walls as well as provide a layer of material that has a different thickness. As the sound wave enters the curtain, the fiberglass batting will absorb up to 75% of the echoes that will want to bounce back off the curtain. Mass loaded vinyl, often abbreviated as MLV, is a dense, heavyweight vinyl material used to block sound transmission. 1 Lb 100 Sq. It weighs over 1lb sq/ft. Made in USA. Mass-Loaded Vinyl Curtains If you’re not familiar with Mass-Loaded Vinyl , I invite you to check out the article I’ve linked to. Ft) 3. Vehicles. 45 dB. Acoustic Panels. 78) Smoke density 30. Mass Loaded Vinyl. 5-by-20-foot rolls. Sold per roll 4. 99 delivery Dec 1 - 15. Mass Loaded Vinyl boosts soundproofing performance of ceilings, walls, floors, pipes. MLV Disadvantages. (Central Time) Acoustical Surfaces, Inc. This strong and flexible noise barrier is easy to work with and can be used in many applications such as Walls, Pipes, Ducts, Window Mullions, Fences, AC surrounds, or. 2″ Fiberglass Batting with Vinyl Quilted Front Plus 1. Here it is: Soundsulate Mass Loaded Vinyl. It's a viscoelastic material, which means that when the. Mass Loaded Vinyl. Mass Loaded Vinyl boosts soundproofing performance of pipes and ducts by adding mass and preventing structure from vibrating. Measure your windows 2. Mass loaded vinyl sound barrier,mass loaded vinyl curtain theory:While Mass Loaded Vinyl (MLV) is a popular and effective soundproofing material, there are alternative options available for reducing noise transmission. MLV not only offers effective sound-reducing abilities but is also relatively easy to apply. - 5p. The Perfect material to Attenuate Sound in as a Sound Curtain in Residential, Commercial, or Industrial Environments. Trying to glue/laminate fabric to a sheet of mass loaded vinyl (pure MLV, has no backing). Noise Control Help Line: 1-800-854-2948 M - F 8a. 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. 50%. 2: Put strips on the doors. One of the most popular MLV floorings nowadays is Soundsulate Mass Loaded Vinyl. Noise Control Help Line: 1-800-854-2948 M - F 8a. For Increased noise blocking in addition to sound absorption, use our Sound Shield Curtains which include mass loaded vinyl plus quilted fiberglass. You can expect mass loaded vinyl to cost about $2 per square foot. 6381. Found a product we stock in our construction warehouse, mass loaded vinyl without any laminated facing, and there's a pallet of stock available of the 4Kg/m2 grade, 1. Galion Solid Color Semi-Sheer Thermal Grommet Single Curtain Panel. Mass loaded vinyl is really heavy. 99 $ 69. How Does MLV Work? The combined mass and stiffness properties of Mass Loaded. NoiseBlock BBB-DS is the orginal authentic true sound dampening & anti-vibration material that is unbeatable in it's performance. Suitable for useAn Alternative to Mass loaded Vinyl That’s Better at Soundproofing Walls. It weighs over 1lb sq/ft. Laboratory test results show that Quiet Wall blocks airborne noise (voices and music) better than other equivalent mass. It is a super density rubber membrane. Available in a range of weight. Sound Transmission Loss — 2 lb Density Mass Loaded Vinyl. T. Mass Loaded Vinyl Core: In high-quality soundproof curtains, a high-density vinyl core is used which is very effective against incoming noise. Excellent Sound Absorption. Indoor and Outdoor Sound barrier curtains. Mass loaded vinyl for soundproofing images: Mass loaded vinyl for soundproofing advantages: 1) High rate of sound-absorption and insulation. 595. This means that on its own, the MLV in the curtains can block about 21-25 decibels of sound, which usually translates to a 60%-80% reduction in the sound. Mass loaded vinyl sound barrier,mass loaded vinyl curtain Mass loaded vinyl sound barrier,mass loaded vinyl curtain is a kind of newly designed sound insulation product, which made from macromolecule material, metal power and other accessory ingredient. 2. 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. 6 sqft Sound Proof Padding, Fire/Water Resistant Acoustic Treatment FoamUberQuiet MLV Seam Tape, 2" x 108' - for Installation of Mass-Loaded Vinyl Noise Barriers (for Approx. Please determine the height and order curtain and noise panel systems to the exact height required. I've been looking into making curtains from noise reducing materials from KM Fabrics that would go across the full 14' width where the rear wall "would" have been. Full line of Mass Loaded Vinyl Sound Barrier Sheets at wholesale prices. Noise Grabber Mass Loaded Vinyl - 2 LB, 1' x 1', Pack of 5, 1 Square Foot Sheets of MLV - Dozens of Options, Soundproof Barrier, Reduces Noise, Installs Anywhere, Made in the USA. This product will work with metal or wood studs. com +91-9811064045, +91-9625124963. DIY installation. Here’s a great acoustic curtain from Yakamok. At even just ½LB per sq ft, MLV can produce a 25 STC rating, which is 1/16” thickness. Mass Loaded Vinyl Sound Barrier is a limp, high-density barrier that can be used to reduce noise through walls, from air ducts, or around pipes. 1 roll. $87. Acoustical Putty Pads. 8. 78) Smoke density 30. Single 5/8" drywall on one side, double 5/8" drywall and Green Glue on other side wood studs. These are Sound Deadening Sheets or Sound Isolation Sheets used for deadening of Sound. Mass Loaded Vinyl 1/4" thick weighing 2 pounds per square foot. The AcousticCurtain™ is a soundproof curtain that blocks outside noise, solving your noise problems at minimal expense and without disrupting the comforts of your home. STC rated curtains actually deflect sound, and can prevent up to 80% of noise. Enjoy Free Shipping on most stuff, even big stuff. Thick curtains can be used to block out sounds such as traffic or people. Features: Flameproof; Height: 240 to 720 inch; Mounting: Adhesive / Tape, Pipe /. Soundproof Curtains. 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. We use a bit of a less heavy duty MLV with a sound transmission classification (STC) of 21. 10. However, it doesn’t block out all noise completely. Mass Loaded Vinyl (MLV) is an effective material to use in lining soundproofing curtains or blankets. EPDM Rubber,PVC. Butylene Rubber with 4mil Aluminum Layer. Order now! Menu. ft. Shop Wayfair for the best mass loaded vinyl curtains. We offer Mass Loaded Vinyl Products in 4kg, 5kg, 6kg or 8kg/m2 variants. SoundSafe XTRM Ply Mass Loaded Vinyl, the Perfect material for a Flexible Use Sound Attenuation. Wool Core – Absorbs, Filters & Breaks Down Harmful VOC’s From The Air. Using these soundproofing materials creates more density and heavy thickness in it. Mass loaded vinyl isn’t the most interior décor-friendly material, but you can hide it under items to make it. - 5p. There is a hook system in the acoustic curtain. 2. When selecting soundproof curtains, it’s important to take into account the density of the MLV (Mass Loaded Vinyl) material and its STC rating. For some time, it was considered the best solution for effective sound reduction. Mass-Loaded Vinyl Sound Barrier. MlV noise barrier acts as a reflective barrier and reduces sound from leaving the confines of a space. 99. These curtains are made of heavy fabric and can be used in any room that has a window or door. Standard rolls are 54" wide x 30' long. To walls, ceilings, floors, over windows and doors, on fences, around pipes and duct work, adhered to the inside of cars, sewn into fabric for. Mass Loaded Vinyl. 36. Learn how to use mass-loaded vinyl (MLV) to stop high and low-frequency noise in your area. Use soundproof curtains or plain Mass Loaded Vinyl over any windows to the. m. Seal sound leaks such as cracks and penetrations around outlets with acoustical caulk. ★★★★★ BDF S8MC Security Window Film : Heavy adhesive film. (Central Time). These outdoor sound barrier curtains offer superior UV and weather resistance with four available colors. Mass-loaded vinyl: $2. Mass Loaded Vinyl (MLV) is a safe, non-toxic noise barrier designed to hang as a limp mass in various soundproofing applications. Sound Absorber. ft. Consultants, engineers, and architects have been asking for a Class A fire rated MLV for years. However, you should know that rearranging furniture is viable for a project. Mass is a critical component in sound control and works by simply stopping sound from vibrating through its structure. 1 kg/m². 38. Can also be used on walls, floors and ceilings. Facing material is an exterior grade, UV resistant, heavy duty, vinyl coated polyester (VCP), quilted fiberglass absorber. You can also add furniture to the wall like large bookcases. Pipe & Duct Wrap Lag is available with a 1" or 2" quilted fiberglass decoupler. So there is no need to worry. Not terribly expensive and you can hang them on the wall like the blankets from removable hooks instead of on rods. Rough solution - on each side of the door, build 30-60-90 triangles using 2x4's wider/taller than the door. Vinyl strip curtains available in two heights (8’, 10’) and three widths (4’, 5’ 6’) Air containment curtains help move heat in your datacenter. Mass Loaded Vinyl, SoundSafe Reinforced, 1 lb sq/ft. 00. 4. 5', 50 Square Foot Roll of MLV - Dozens of Options, Soundproof Barrier, Reduces Noise, Installs Anywhere,. When noise and sound transmission needs to be effectively controlled, Mass Loaded Vinyl (MLV) is one of the components. It is durable and effective at reducing the transmission loss of floor assemblies. Foneso Mass Loaded Vinyl Sound Proof Barrier, Anti Vibration Deadening Soundproofing Material, Reduces Noise, 12"x12", Thick 80 mil (2mm) (24 PACK) 1. 05 in)-2 mm (0. Designed to meet market requirements it has been effectively used to reduce noise in building ,. T. Mass-loaded vinyl: $2. Noise Control Help Line: 1-800-854-2948 M - F 8a. STC stands for Sound Transmission Classification. What you call CLD, I call a layer of Mass Loaded Vinyl (MLV) mistakenly trapped between two layers of drywall (such as QuietRock). Mass loaded vinyl sound barrier,mass loaded vinyl curtain images: Mass loaded vinyl sound barrier,mass loaded vinyl curtain advantages: 1) High rate of sound-absorption and insulation. Sound absorbing curtains absorbs the soundwaves that would otherwise bounce around a room and create echo, and turn that sound into heat energy, while the rest passes through the material. Line the curtains 5. The improved durability prevents tearing when suspended vertically, like a curtain. Choose from our four size options: 4' X 25' - 4. 2. Shipping per piece: $14. $ 199. Residential Acoustics developed the first STC-26 MLV soundproof curtains, which are completely light blocking and reduce 60-90% of sound transfer. Next step would be to put as much mass as you can between the 2. Sound-dampening curtains: $15 to $100 per panel; can be used on doors or windows; Project Complexity. MLV can also be used for acoustic blankets and sound curtains, as well as laminating to drywall, metal cladding or mechanical insulation. It is most commonly purchased as a roll or sheet with 1lb or 2lb per square foot density, although we do get the occasional customer looking for 0. The four 30′ rolls of AudioSeal ® Mass Loaded Vinyl (MLV) Soundproofing Barrier were off-loaded from the truck. T. After scouring the market, we found the TMS Mass Loaded Vinyl to be the ideal model for all-around soundproofing. This Mass Loaded Vinyl (MLV) is a specialist noise reducing vinyl impregnated with materials to increase its mass without increasing thickness. Industrial Noise Products Architectural Noise ControlMass loaded vinyl (MLV) is one of the original sound control products. PRICED PER PIECE. This special product is offered in a 48” x 25’ roll. The Mass Loaded Vinyl backing blocks unwanted noise pollution into areas outside of the Enclosed Area. Reinforced Colored. What is a Good STC Rating? Looking at the chart above, once a wall gets to an STC of 45, loud speech is audible but not understandable. As far as overall soundproofing is concerned, mass loaded vinyl is one of the best products out there. This acoustic insulation is used for noisy HVAC systems, pipes, ducts, valves and fan housings. It is an 1/8 of an inch thick and has an STC rating of 27 when hanging by itself. The most effective way to prevent sound from entering through the walls of a room is to start at the framing, tearing out the original drywall, and re-covering the walls. Soundproof Curtains. This MLV has no recycled content, is manufactured in the USA and has no bad odor. $76. Industrial soundproof curtains may feature. SOUND ABSORPTION (HZ) PER ASTM C423. 4. Try these noise blocking blankets at Acoustical Surfaces. It is used to create sound barriers that reduce noise transmission. Great Mass-to-Thickness Ratio; High STC Score; Versatility; High Price; Picking the Perfect MLV: Factors to Consider; The Best of MLV: Products That Shine. This MLV has no recycled content, is manufactured in the USA and has no bad odor. If you want to add mass to your ceiling without removing the drywall, you should invest in MLV. MLV sound barriers offer exceptional noise reduction by adding mass with minimal thickness. 0Noise S. C. With STC 26, our 1 lb/sf MLV can improve wall soundproofing performances by 40% or more. Soundproof curtains are another Mass loaded vinyl alternative. Mass loaded vinyl is a panel-like material used to decrease the airborne noise through ceiling, walls, and floor. Price $430. You should use a heavyweight stapler or screw to that vinyl for tight adjustment. Window with Fantastic Frame Window Insert. Before purchasing, check the capacity of the MLV. 5’ x 30’ Roll with total coverage of 135 square feet. The mass-loaded vinyl is then stapled onto the frame. P. Whatever your issue with noise, the team at Duraflex can offer you a high-quality solution tailored to your individual needs. NOISE S. Made in the USA from virgin material, no odor. Mass Loaded Vinyl (MLV) is a versatile and efficient soundproofing material for windows, made from PVC and vinyl with a heavy material such as barium sulphate or calcium carbonate. We have chosen to use this particular material because it is only 1/8″ thick. O. = 32. In stock – call today for pricing! 888. on Top (#4) 1 ft O. It is Made in USA. 1/8. If you are on a tight budget or have a lot of surfaces to soundproof, then maybe Mass Loaded Vinyl isn’t for you. MLV50® Mass Loaded Vinyl is a mineral loaded heavy layer nominally 2-3mm thick with a mass of 5kg/m 2. T. Sound Enclosures from Steel Guard are custom made from our SCC-10-, SCC-11, SCC-12, SCC-13, or custom designed composite combinations of Mass Loaded Vinyl and Fiberglass sound absorbing material. How Effective Are Noise Barriers?. Use the wood glue first to attach this frame to the bottom deck, hence forming the side frame. Sound can penetrate solid objects. Available in a range of weight. This rating for mass loaded vinyl and other soundproofing materials is. Designed with a wide washer head which spreads the weight of the MLV to prevent tearing that generally occurs with standard screws. 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. Soundsulate Mass Loaded Vinyl; 3. Step. 1. Strip Curtain Kits – Smooth;. 3 pounds per square foot. 70, depending on materials and construction, what they don’t absorb, they transmit or reflect. Increase the Mass of the Surface With MLV. They are available clear, non-reinforced, and reinforced in a variety of weights and styles to meet a multitude of applications. Get Latest Price Request a quote. Noise Control Help Line: 1-800-854-2948 M - F 8a. Soundproof curtains : 15-20: Acoustic foam: 10-15. No Reviews. From. 7 reviews. The Pros and Cons of Mass Loaded Vinyl. 38 $ 1,534. We use a bit of a less heavy duty MLV with a sound transmission classification (STC) of 21. m. Poor. STC stands for Sound Transmission Classification. 2. It is Made in USA. MSRP. Clear Vinyl Curtains, Clear Barrier Curtains ,Transparent 16 Mil PVC - Clear Welding Curtains. Some of the best solutions for. 4. ™ VINYL BARRIER STC 28 Barriers Noise Transmission Loss (dB) Per Octave Band (HZ) 125Hz 250Hz. 99. Sound Curtain- Heavy Duty. Quilted sound dampening curtains can be equipment enclosures or cost-effective room dividers. Applications.