3 Sq Ft per sheet. Here is a professional grade Acoustic Absorption Panel from Rhino. 55. Available in half-pound, one pound and two pound per square foot versions. Grommets can also be added to edges so pieces can be hung like a curtain around or in front of something loud. Noise Control Help Line: 1-800-854-2948 M - F 8a. Order now. We can also make STC 20 Quiet Curtains using fabric you provide. P. Mass loaded vinyl is a cost-effective, simple to install solution for soundproofing, or stopping noise from traveling between two spaces. 213. The AcoustiTrac soundproofing drape looks like a traditional curtain, but is lined with a 1/16″ thick layer of mass loaded vinyl with an STC rating of 21 (architectural rating for sound reduction), so it’s able to block. (Central Time). 4’ x 25’ Roll with total coverage of 100 square feet. We have chosen to use this particular material because it is only 1/8″ thick. T. (Central Time) Quilted Curtain S. Unlike other types of vibration damping material, VMAX. After extensive research, I’ve compiled a list of the 9 best soundproofing carpets and flooring materials which I will cover later in the article. Clear Vinyl Curtains, Clear Barrier Curtains ,Transparent 16 Mil PVC - Clear Welding Curtains. 78) Smoke density 30. Unlike MLV these curtains look good and can add to your home interior. m. Mass loaded vinyl is really heavy. The core material has an STC rating of 21, meaning the material can actually block around 21-25 decibels, or 60-80% of sound. We have chosen to use this particular material because it is only 1/8″ thick. Choose from our four size options: 4' X 25'. KNC-50C and 100C clearview curtains or windows are available. 1. Hang Acoustic Curtains and Panels on the Walls. STC 20 Quiet Curtains use a powerful sound blocking lining to provide maximum sound protection. Mass Loaded Vinyl Noise Barrier provides reduced noise transmission through ceilings, walls, floors, machinery enclosures and ductwork. MLV or Mass Loaded Vinyl Reduces Sound in Various Hertz Ranges. STC 15 and STC 17 Quiet Curtains reduce. Mass Loaded Vinyl has been the most popular soundproofing materials since the 1960s, and it still is to this very day. STC stands for Sound Transmission Classification. Save 2% at checkout. As I’ve already mentioned, if you’re attempting to soundproof your windows, simply sticking vinyl film onto the window pane probably won’t cut it. $ 729. 150-200 sqft of MLV per Roll) $24. It is possible to put mass-loaded vinyl under a carpet. Cementitious Wood-Fiber Acoustic Ceiling and Wall Panels. The thing with floors is that they tend to resonate. various laminates such as foil, metallised film, foams and polyesters. Mass loaded vinyl is commonly used to improve the Sound Transmission Class (STC. How Effective Are Noise Barriers?. P. Mass loaded vinyl and PVC coated fabrics are commonly used in this type of product. Home; About Us. As discussed, velvet, suede, polyester, or mass-loaded vinyl make the perfect soundproofing curtains. SKU VN-100425 Categories Mass Loaded Vinyl, Berry Amendment Compliant Fabrics Tags 1 lb. Unlike the quilted fiberglass panels, these sound curtains fold up on a rolling track to allow access for people and product to move through. 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. The ISOTEX dB soundproofing blankets have four layers that contribute to massive sound blocking. 00 Get it as soon as Wednesday, Nov 22 The sound barrier is easy to install, easy to cut, and is UV & weather resistant. Find helpful customer reviews and review ratings for Mass Loaded Vinyl MLV Barrier 4' x 25' 1 LB One. Mass loaded vinyl noise barrier noise deadening material soundproof underlay acoustic curtains sound proof curtains. 1. Hang Soundproof Curtains: 3-6: 4. 00 per square foot, which becomes prohibitive for some. = 20. Though they are not as effective as mass loaded vinyl curtains, they do block sound very well. STEP 2: Select a hanging system that will hold heavy curtains. For more information, please visit us at: 30700 Carter St, Suite B • Solon, OH 44139 | Toll. MLV(Amazon link) 3. 61. Mass is the only way to stop sound. We use a bit of a less heavy duty MLV with a sound transmission classification (STC) of 21. The Mass Loaded Vinyl backing blocks unwanted noise pollution into areas outside of the Enclosed Area. The MLV is typically installed directly to the wood or metal. 79. Sound Curtain- Heavy Duty, Permanent Applications. These heavy-duty curtains can form an effective sound screen which can then be positioned around loud pieces of equipment, or in entire zones within the building. 67 out of 5 based on 6 customer ratings. Though there are other good soundproofing materials like Dynamat, Noico, and many others, you can also use mass-loaded vinyl to soundproof a vehicle. Jump to Latest Follow. This Mass Loaded Vinyl Barrier is a one pound barrier, weighs 1 pound per square foot. 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. An optional outdoor-rated vinyl facing is also available in Gray or Tan. Mass loaded vinyl. 4711. 35 and 0. It's the slimmest soundproofing material in the world which can be easily applied on walls, ceiling and floor using nail, screws and adhesive. The reinforced barrier has an interior mesh-like material allowing it to be hung like a curtain around the noise source. 595. Mass Loaded Vinyl Amazon maintenance is not too difficult. Grommets across the top border facilitate hanging. ★★★★★ BDF S8MC Security Window Film : Heavy adhesive film. Previous. 4kg/m2 Mass Loaded Vinyl Properties : Standard Roll Size: 1350mm x 5 metre / 1350mm x 3 metre: Weight – nominal: NuWave 4kg/m2, NuWave 6kg/m2, NuWave 8kg/m2:. Clear Barrier Curtains - Clear Welding Curtains - 16 mil (Not for. 6381. Whatever your issue with noise, the team at Duraflex can offer you a high-quality solution tailored to your individual needs. MLV widely used in building industry, home. This results in an effective sound dampening material that can be used in construction, automotive applications, or as a portable. Standard rolls measure 54″ wide x 30′ long or 54″ wide x 60′ long. Author Mely Posted on April 22, 2020. Mass Loaded Vinyl MLV Barrier 4' x 25' 1 LB One Pound 100 Square Foot Roll Soundproofing Acoustic Barrier TMS Mass Loaded Vinyl 4' X 10' (40 Square Feet) 1 Lb MLV Acoustic Barrier Noise Grabber Mass Loaded Vinyl - 1 LB, 4' x 12. In stock – call today for pricing! 888. sales@mmtacoustix. Easy to cut and install as curtains, inside walls and ceilings; Low VOC – meets Green Building Council requirements;Installing mass-loaded vinyl is simple enough once you understand the basic components of a wooden fence. High density, limp material to reduce noise transmission. Our Mass Loaded Vinyl is manufactured in the USA, is strong and has no odor. Available in: various weights, widths, roll lengths and sheet sizes. Whatsapp: 86-18477120552. Noise cancelling curtains can be purchased online from Residential Acoustics, since we have the patent on our. Model Number. These features are important in its. Much more efficient than simply stacking. Standard Roll is 54. - 5p. on Top (#4). We mainly use a viscoelastic material as the base, typically polyvinyl chloride. 44. This cost-effective and versatile solution is water and chemical-resistant for whatever situation arises. Different widths and densities in soundproofing material reduce sound within a variable frequency range. The slightly more expensive ways to soundproof a wall. Mass Loaded Vinyl Core: In high-quality soundproof curtains, a high-density vinyl core is used which is very effective against incoming noise. 4 Reviews. 1 in Quilted Fiberglass on Front plus 2 lb / sq. On the cheaper end of the cost spectrum, you can increase the mass of the door by. Price $446. Min Order: 1 square meter. Address: Industrial Zone, BaoYunda Centre, Xixiang Road, Xixiang Town, Baoan District, Shenzhen, China. MLV Disadvantages. Outdoor Vinyl Curtain Clear Tarp Panel, Pergola Side Panels Weather Resistant Vinyl Patio Enclosure Panels, for Garden, Patio, Porch, Gazebos Grommets HSYFdy (Color : Clear, Size : 10x13ft/3x4m) $4600. You can find KM at several internet sellers including the one I'm working with (Georgia Stage). 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. At this point in time - I have installed a vinyl roller blind that is very effective at preventing reflections and because it is installed at the ceiling-wall boundary, also traps/disperses reflections there - a. Typically used to wrap noisy pipes and ducts to block the noise that transmits through the walls of. 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. Min Order: 30 square meters. My Account Search. 6. What you call CLD, I call a layer of Mass Loaded Vinyl (MLV) mistakenly trapped between two layers of drywall (such as QuietRock). 99. 95. 5 pounds per square foot mass loaded barrier (the heaviest standard in the industry) sandwiched around 18 oz coated vinyl to provide a high STC 30 rating. How to Install Mass Loaded Vinyl. 6 Reviews. Shop Wayfair for the best mass loaded vinyl curtain. We use a bit of a less heavy duty MLV with a sound transmission classification (STC) of 21. Isolate where you can and dampen the shit out of the rest. $164. reinforced. Mass Loaded Vinyl Alternatives. 50 Smoke Developed Index (SDI) ≤50. Soundproof the door to the garage using door sweeps, seals, and soundproof door covers. Likewise, mass loaded vinyl, a product often used in the production of soundproof curtains and other soundproofing materials, can’t absorb sound because. Mass Loaded Vinyl Sound Barrier Insulation 1/8" Thick (1 lb/sf) has an STC rating of 27 which almost performs better than a 2" x 4" wall with 5/8" drywall on each side of the wall. Soundproof Curtains. 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. T. The curtains are made of a denser material that has soundproofing properties to help minimize the noise in a home. Second Skin Luxury Liner - Mass Loaded Vinyl: STC rating of 32. Sound Seal’s B-20 R is a flexible reinforced loaded vinyl noise barrier featuring an internal reinforcement to offer maximum tear strength and durability. Find out the best MLV for existing walls, curtains, over drywall, and. Most people are treating this question like it's for a studio, but you really just need much less noise. 00. Mass loaded vinyl, or MLV, is another great option if you’re going to add a second layer of drywall. These curtains are made of heavy fabric and can be used in any room that has a window or door. After scouring the market, we found the TMS Mass Loaded Vinyl to be the ideal model for all-around soundproofing. Walls are filled with mineral wool. First thing to check is any air leaks between the 2 rooms, outlets, doors, vents, etc. The STC ratings are: ½ lb. Mass Loaded Vinyl boosts soundproofing performance of ceilings, walls, floors, pipes. Thermotec NuWave Base Mass Loaded Vinyl (MLV) – A high density, barium loaded acoustic insulation for walls, floors & industrial. It is durable and effective at reducing the transmission loss of floor assemblies. Industrial Pipe & Duct Wraps are mass loaded noise barriers with a reinforced foil facing on one side that allows for installation of matching lag tape. 00Rs. MLV widely used in building industry, home. VMAX vibration and sound damping sheets are constructed of an advanced, non-curing, butylene rubber bonded to a thin layer of silver aluminum. These Acoustic Blanket Panels absorb sound inside a contained area to keep the noise energy away from other. Sound-dampening curtains: $15 to $100 per panel. Add rings and hang For this, you’ll need the following materials: 1. Add sound-reducing curtains to your job site. Mass loaded vinyl is a material that will fortify any kind of surface against sound waves. Acoustical Solutions. Good. It is Made in USA. 1-866-949-9269. Get the assistance of another person and put the first length of mass loaded vinyl at the upper corner of the wall. Foil Faced Fire Rated MLV, 135 Sq. mass loaded vinyl, mass loaded vinyl, noise reduction material, sound barrier, soundproofing material. Noise Control Help Line: 1-800-854-2948 M - F 8a. T. reinforced loaded vinyl noise barrier. 1/2LB Mass Loaded Vinyl. 50%. However, it will not be as durable as using a traditional flooring installation. m. Thick curtains can be used to block out sounds such as traffic or people. This MLV has no recycled content, is manufactured in the USA and has no bad odor. Shop Wayfair for the best mass loaded vinyl curtain. Starting @ $174. 7 reviews. Step. window sound blocker made from reinforced Mass loaded vinyl barrier used to block sound through windows to lower the volume of sound going through a windows. A single roll should be enough to cover a whole room, but just be aware that. Noise Grabber Mass Loaded Vinyl; How to Properly Install MLV on. Heavy-duty Commercial solution for blocking sound between rooms. Price $460. 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. Benefits of Sound Shield™ Outdoor Noise BarriersThe AcousticCurtain™ Soundproofing Curtain. 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. Order now! Menu. Window with Fantastic Frame Window Insert. mass loaded vinyl is added to structures to add mass without taking up space. 00 - $10. These three layers work together to form an effective sound barrier. Sound Transmission Loss — 1 lb Density Mass Loaded Vinyl. 125" Tensile Strength - 1350 kPa min Tear Strength - 4500/m (26. So let’s start with another noise-blocking film alternative. Fix the MLV to the curtains 4. DIY Measuring – Step by Step Guide – Click on any step below to get started. - 5p. Sold per roll 4. With a utility knife, use a straight edge ruler to cut a square edge evenly through the MLV. 56-$3. Peel and Stick Self-Adhesive Backing ensures easy application. These Sound Proof Blankets can also stop Noise Induced Hearing Loss in Employees. So far, MLV has only one major drawback, and that’s its price. It is equal to lead of the same mass in effectiveness and acts as a thin de-coupling sound blocker. Turn Dish Washers into Stealth Washers Acoustic Carpet Underlay – Thermotec NuWave. It does a great job of overall sound absorption, and most people use it underneath carpets on the floor. Products include industrial acoustic curtains, mass loaded vinyl noise barriers, interior/exterior enclosures, ceiling tile covers, fiberglass absorbers and pipe & duct wrap. The product is available in 1-inch and 2-inch thicknesses. / sq. 25m by 2mm Thin - 5kg/m2 Mass Loaded Vinyl MLV 3. Sound Curtain- Heavy Duty. The 1/8" is one pound per square foot, 32 pounds for one sheet, 64 pounds for two sheets. Get a Quick Quote. It’ll be able to cover all of the gaps on your fence quite nicely. 00. 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. 23 Reviews. Residential Acoustics developed the first STC-26 MLV soundproof curtains, which are completely light blocking and reduce 60-90% of sound transfer. 26. The curtain panels are constructed with grommets. Apply wood glue on the 2×4 cleat, on the side and place the side panels. 4 lbs/sqft / 16. The material can be cut with a utility knife. $76. 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. 1 LB. At even just ½LB per sq ft, MLV can produce a 25 STC rating, which is 1/16” thickness. 54-inch-wide panels. The fabric will is canvas, flannel, felt, or velvet. SoundBlanket® MLV : Mass Loaded Vinyl is a super high density vinyl membrane produced to isolate and block low, medium and high frequencies. Made in USA. PRICED PER PIECE. $164. 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. Noise Control Help Line: 1-800-854-2948 M - F 8a. So it can easily block any sound waves. The Mass Loaded Vinyl barrier is also simple to install as an. Designed with a wide washer head which spreads the weight of the MLV to prevent tearing that generally occurs with standard screws. O. Pipes and curtains : 20 : 1/8 : 1 : Floors, walls, fences, etc. 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. m. 3. Length 8 ft. 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. 10. m. 5. Our standard vinyl facing is available in Gray for all indoor applications. Soundproof the actual garage door by layering Mass Loaded Vinyl over it. Needs to be flexible, not instant tack (to smooth wrinkles), not fast curing, little to no soak-in/bleed through, low VOC/odor. When selecting soundproof curtains, it’s important to take into account the density of the MLV (Mass Loaded Vinyl) material and its STC rating. Customizable to Any Size to Create a Critical Air Tight Seal for Positive Air Flow or the Flexibility to have Moveable Curtains at Access Points. Materials. Wavebar NC is a high-performance mass-loaded vinyl noise barrier curtain offering superior acoustic transmission loss. Also comes black but is paintable with latex paint. 1-inch or 2-inch thicknesses available. It combines incredible density with a workable product. Thermotec Australia developed an extra HEAVY-DUTY, high performance, flexible soundproofing barrier called NuWave Base, or Mass Loaded Vinyl Insulation. Click images below for PRICING & more information on each product. 4" x 12" x72", 11. O. Soundsulate Mass Loaded Vinyl; 3. Rated 4. This membrane also goes by the name of “dB. Reinforced Mass Loaded Vinyl boosts soundproofing performance of ceilings, walls and floors by adding mass and preventing structure from vibrating. Suitable for useAn Alternative to Mass loaded Vinyl That’s Better at Soundproofing Walls. Quiet Wall is made from EVA Vinyl which is a safe plastic used in medical devices and food packaging. 2 inches; Weight: 3. Mass loaded vinyl Customized Noise Acoustic Barrier Curtains to Reduce Noise. Noise Control Help Line: 1-800-854-2948 M - F 8a. Here’s a great acoustic curtain from Yakamok. Order outdoor curtains today. The mass makes the flexible thin sheet of MLV exhibit sound inhibiting properties with a mixture of chemicals, including barium sulfate. If making them from scratch, measure the window. Rs. Leeyin Acoustic Mass Loaded Vinyl 2lb Soundproofing Wall Sound Barrier MLV Mass Loaded Vinyl $3. Bedroom Acoustic Dampening Curtain Divider, Wall Noise Blocker for Music Home Recording Studio. Mass loaded vinyl. 50 to $5 per square foot; used between layers of drywall;. 99 $ 69. by adding mass and preventing structure from vibrating. The Mass Loaded Vinyl backing blocks unwanted noise pollution into areas outside of the Enclosed Area. 99. various laminates such as foil, metallised film, foams and polyesters. Mass Loaded Vinyl (MLV) Acoustic Treatments - A Question. These can also be used as sound blankets for a studio. Soundproof curtains like NICETOWN Bedroom Blackout Curtains are an easy to install substitute for mass loaded vinyl. Chemical Type. Starting @ $214. Sound can penetrate solid objects. P. Deduct 1/8” – ¼” from total height. 1. Confirm that the MLV is aligned properly along the ceiling so that it drapes the wall evenly. Acoustic Panels. Full line of Mass Loaded Vinyl Sound Barrier Sheets at wholesale prices. Besides our Hushtec line of curtains, we also offer an extensive range of fully customisable noise barrier solutions. Each sheet consists of a layer of 20 STC 1/16" Mass Loaded Vinyl (MLV) sound blocking material and a layer of eco-C-tex® sound absorption material. Mass-Loaded Vinyl Sound Barrier. 4) Easy to construction. SKU: MLV01x100. Mass loaded vinyl can also be painted, so it is a. 0. It was first used by NASA and later got sold on the wider market for more “earthly” soundproofing projects. Shop by Application. Mass Loaded Vinyl (MLV) is a soundproofing material made from salts, sands, and small metal particles, designed to reduce unwanted. Mass loaded vinyl sound barrier,mass loaded vinyl curtain theory:4 reviews. If you’re looking for a cheap DIY solution, you might as well just go find the heaviest curtains you can find or. Great to use in music studios, underneath floors, on walls, in basements, and any other place noise reduction is needed. O. P. Green Glue VS Mass Loaded Vinyl. With STC 26, our 1 lb/sf MLV can improve wall soundproofing performances by 40% or more. Specifications. 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. STC Wall Rating Chart. Fire Rated and Manufactured in the USA from virgin material this Mass Loaded. Mass Loaded Vinyl or MLV is a special soundproofing material that is designed with the primary purpose of serving as a sound barrier. Soundproofing Clear Vinyl Noise Barrier - 120 Sq Ft. The curtain will not shrink, rot or. The greater the mass of the object, the less the sound will penetrate. SCC-12 EXT -1″ Fiberglass Batting with Outdoor Rated Vinyl Quilted Face Front & 1 lb sq/ft Reinforce Mass Loaded Vinyl Back – NRC -. STC rated curtains actually deflect sound, and can prevent up to 80% of noise. 1 pound per square foot. TMS Mass Loaded Vinyl; 2. Smooth Finish. 25" x 1/8" thick, with Intumescent Fire Stopping Properties, for safety. Much like a shower curtain, mass loaded vinyl curtain’s accordion folds when pulled back to provide access and allows for condensed storage when not in use. Benefits of Sound Shield™ Outdoor Noise Barriers Starting @ $174. STC rated curtains actually deflect sound, and can prevent up to 80% of noise from passing through, especially if made from material such as mass loaded vinyl. 0. Hang the MLV as a curtain on the inner side of the header. MLV widely used in building industry, home. Unlike soundproofing drapes, which are thick pieces of fabric, soundproof blankets like our Quiet Quilt Soundproof Blanket use a non-permeable mass-loaded vinyl layer with a sewn on sound-absorbing face material. It is used to create sound barriers that reduce noise transmission. $32. 1 roll. MLV. 1/2LB Mass Loaded Vinyl. With advances in. Here are a few alternatives to MLV: Acoustic Panels, Soundproof Curtains, Soundproof BlanketsMass Loaded Vinyl Sheet (207 products available) High Demand Sound Deadening Flexible Mass Vinyl MLV Eco Friendly Soundproofing Material Home Theater System Anti Sound sheet $3. It is called limp mass and it is heavy–about 1 lb. 0. These are the most effective and cost-effective as well. KNC-50BQQ and 100BQQ are vinyl barriers completely. Acoustical Curtains. 35m wide x 5mtr roll. 0Noise S. Mass Loaded Vinyl is a polyvinyl chloride (PVC) noise control material that offers sound insulation and dampening qualities when applied to a wall or ceiling (not a floor!). Noise dampening acoustic curtains utilize a high strength poly fabric in combination with mass loaded vinyl to dramatically improve its appearance, durability, tear, and hanging strength. download. per square foot. It weighs over 1lb sq/ft. A wide variety of mass loaded vinyl price options are available to you, such as others, 3d model design and total solution for projects. Hot Aisle Data Center Containment Curtains are the Most Economical Way to Keep Hot Air Flow Away from Your Server Room for Superior Data Center Performance. Walls are the most common place to install mass loaded vinyl in a room. portable acoustical enclosures and screens create an acoustic barrier for noise reduction wherever you need it. $ 206. The most common areal weight for Mass Loaded barriers is 1. This is because noise cancelling curtains are made using a mass loaded vinyl core. O. Contact Us Quick Quote Gallery. CALL TOLL FREE 1. Available in: various weights, widths, roll lengths and sheet sizes. Sold by UberQuiet-store and ships from Amazon Fulfillment. Avoid using abrasive cleaners or harsh. 05 in)-2 mm (0. We're well-known as one of the leading Mass Loaded Vinyl Impact Noise manufacturers and. 2 square meters (Min Order) CN Hebei Wan Er Decoration Engineering Co. Sound Control Curtains; Active Noise Control; HVAC Soundproofing; Soundproofing Accessory; Clearance; Acoustical Products. 75 NRC sound absorption panel used to prevent sound reflections and reverberation within a room. If you’ve read my article on Mass-Loaded Vinyl, you’ve seen how useful it can be for soundproofing. (Central. T. 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. Mass Loaded Vinyl (MLV) is an effective material to use in lining soundproofing curtains or blankets.