Green glue vs mass loaded vinyl. What is Green Glue: Green Glue is a visco-elastic damping compound. Green glue vs mass loaded vinyl

 
What is Green Glue: Green Glue is a visco-elastic damping compoundGreen glue vs mass loaded vinyl  ft

This acoustic insulation is used for noisy HVAC systems, pipes, ducts, valves and fan housings. x 66. 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. Bình Tân, TP. No Reviews. 375”)- (Figure 2). Acoustimac Soundproofing Putty Pads 7. Dynamat. Then (since we have unlimited budget and time), a layer of MLV nailed against your current drywall, then an extra layer of drywall using Green Glue between the MLV and new drywall layer. Product is 4. 2500 to 5000 hz - Green Glue performs best, MLV Sandwhich is a close 2nd. Add 3/4 inch plywood with green glue between the wooden board subfloor and the plywood. Therefore, relying solely on acoustic foam panels as an alternative to Green Glue may leave you disappointed with the overall soundproofing performance. it works better with resilient bars, that only adds 15mm at most to the assembly you mention. 800-397-8791. Mass Loaded Vinyl As one of the more common noise-blocking materials on the market, you may think that it would. Step 6: Green Glue vs. 60=$48. Green glue. Soundproofing is the process of using specific materials, like acoustic foam and soundproofing panels, to prevent sound from entering or exiting a room. It can also be used on a wide range of building materials such as polystyrene, composite trim board, PVC, medium density fiberboard, as well in ceilings and walls. 25”) hole at the end of the tube, above the threading (Figure 1). As you can see from the table below, mass loaded vinyl is more than twice as dense. you can add mass to structures such as walls, ceilings,. Mechanically decoupling walls/ceilings can add up to 20 STC points. According to an article published on the TMSoundproofing website, mass loaded vinyl does improve wall performance in noise reduction. Choose from our four size options: 4' X 25' - 4. This means that if you choose to go the double drywall way, you also have to incorporate green glue for best results. In the Science of Acoustics, we call it a “Limp Mass Barrier. Just be careful not to apply too much, as the glue will clog up the cork’s pores. Available in a range of weight. drywall relate to its mass and density. Attach 2' x 4' sheets of Comfortboard 80 to the underside of the joists, attaching with lags through 1x3 furring strips. Audio Alloys has the lab data to back that up. Acoustic foam panels are also a better alternative for Mass loaded vinyl. Mass Loaded Vinyl. The Pipe Noise S. $172. Because it needs to dry, Green Glue must be allowed 7 to 10 days drying time before sound isolation will start to improve. the mass lessens vibration of the structure which considerably lowers sound transmission though the structure. Also Read: Green Glue Vs Mass Loaded Vinyl. If your project requires the use of seam tape, then we recommend using sheathing tape to adhere best to our mass loaded vinyl. For information on what other components affect soundproofing, like windows,. This is typically why the Mass Loaded Vinyl is instructed to be installed against the studs and then drywall over it. between layers of drywall will help damp 70% to 90% of transfer vibrations from sound waves. Using a standard quart-sized caulk gun, apply the Green Glue randomly to the back of a new sheet of drywall, with a 1- to 2-inch border around the edge of the sheet. Rolls are 4' x 25' (100 sf). com | Green Glue -vs. 4. You’ll still need to rely on traditional glues, nails, or screws for this kind of work. $16. It’s limp mass, which means sound waves just dissipate against it. Remove drywall, add MLV, add 5/8 drywall. Mass Loaded Vinyl is the most popular product for soundproofing walls in the industry. As with mass loaded vinyl, you want to seal around the perimeter and and penetrations with acoustical sealant. 4. 23 Reviews. Green Glue is a liquid, viscoelastic damping compound that can deliver damping with a superior cost/performance ratio. If measuring a wall, measure the distance between the ceiling and the floor. For the same dimensions, EZ-SNAP or QuietRock 530 would be between $600 and $1,100. Mass Loaded Vinyl 1/4" thick weighing 2 pounds per square foot. The square footage adds up quickly when you are doing entire walls and rooms. A layer of Green Glue damping compound helps but isn’t completely necessary. Green glue is a natural, non-hazardous glue commonly used in renovations and construction projects. Fabric-Wrapped Panels. 1 LB Mass Loaded Vinyl. To further secure them, use a. MLV. Find out more here. Shop now to enjoy our & fast shipping. Cheap Green Glue soundproofing substitute; Check Price: Sealant Alternative: Noise Grabber Mass Loaded Vinyl. 60US a square foot. When noise and sound transmission needs to be effectively controlled, MLV Curtains are. - Mass Loaded Vinyl Phone: 989-832-1602 | info@greengluecompany. 25" x 7. On the other hand, you also know what MLV is. A square foot of MLV can cost anywhere between $1 and $2. 4' X 10'. Used as a sound barrier in homes, offices and hotels. And remember, a combination of various soundproofing materials and products can and will help you with better sound insulation. Here it is: Soundsulate Mass Loaded Vinyl. Mass loaded vinyl certainly has good characteristics, but floor underlayment apparently has a higher STC rating. Soundproofing is an art & with the right materials applied to the correct places, you will have amazing results. Mass loaded vinyl is a material that will fortify any kind of surface against sound waves. It can be applied around doors and windows to help create a barrier against sound. To block all joints, holes, and cracks, Green glue is used as an additional sound stopper. For steel stud installation, use. Highly recommended for soundproofing walls, floors, ceilings, home theaters, sound studios, cars, boats, trucks & machinery housings. Ten feet of adhesive-backed foam weatherstripping costs $5 to $10. When sound waves collide with a surface, they generate. GREEN GLUE GREEN GLUE VS. 4. didn't know hAfter extensive research, I’ve compiled a list of the 9 best soundproofing carpets and flooring materials which I will cover later in the article. Acousti-GasketMass-loaded vinyl can get quite expensive, typically ranging from $1. Green Glue vs Mass-Loaded Vinyl (MLV) Both of these products are used for the same purpose in soundproofing; dampening. Considering MLV is a pricey product, it makes sense that a mass loaded vinyl alternative should be cheaper. Final Thoughts on. Mass Loaded Vinyl or ‘MLV’ is a highly effective but ultra thin, flexible sound barrier blocking material used to add mass to any. Glasswool vs. You want to add mass to your walls and ceilings, and make them 100% airtight. SCR offers an Acoustic Sound Barrier, a flexible, non-reinforced mass-loaded vinyl that resists the. To learn more, contact us today! View Our Products Echo Barrier Acoustik Underlament. 25m by 3m and 2mm thick. Green Glue is a substance applied between two layers of plasterboard. The reason why people gravitate towards Green Glue comes down to a few different factors. The heavier the material the higher the soundproofing performance. Green Glue MSDS. Mass Loaded Vinyl. 2. MLV has a permeability of 0. 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. m. This material will not help with. Mass loaded vinyl or MLV is a material commonly used for soundproofing because of its great noise blocking capabilities and flexibility. 1. Cut a hole for the light’s wiring, making it slightly larger so it doubles as an air vent. Considering MLV is a pricey product, it makes sense that a mass loaded vinyl alternative should be cheaper. O. Green Glue offers the. Water-based and. m. 5. It can be used on the exterior side of the interior wall's sheathing in the BSC double stud wall design. We have the best deals on Mass Loaded Vinyl rolls for soundproofing. Sandwich a layer of this between 2 sheets of drywall and you’ve instantly got a more mass-rich structure. Like caulk, the product is a viscoelastic compound that dries to the touch but takes. 74 for a 4×8 section of wall using double drywall vs. Mass Loaded Vinyl Alternatives. Attach these materials to the MDF with bond or spray glue. Its weight is an estimated 100 lbs. If you’re adding Green Glue to your wall, apply it and then fix the material over it within 15 minutes of the first application. A 2mm thin soundproofing mat designed to block and reduce airbourne noise. Related Article: Upgrading Existing Floors, Green Glue -vs- Soundboard, Green Glue Application Notes . Air seal and add mass by applying the layers of drywall +Green Glue in the joist bays. Like QuietGlue Pro, it is designed to be used between two sheets of plasterboard. T. Attach it to the wall using nails or staples, whichever is easiest. Unroll your MLV on the floor. Standard Roll is 54. Mass-Loaded Vinyl is the ultimate tool for adding mass to your walls, floors, and even ceilings without adding unnecessary bulk. It is non-toxic, and has a high relative density that makes it effective in blocking sound. If you want to add mass to your ceiling without removing the drywall, you should invest in MLV. It is composed of vinyl and barium sulfate. Mass loaded vinyl is limp mass, meaning it doesn’t vibrate when sound waves hit it. This is a High Quality Mass Loaded Vinyl which boosts soundproofing performance by adding mass and preventing structure from vibrating. 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. And it will leave marks on the wall. Mass loaded vinyl weighs about 2lbs per square foot, so you don’t want to add so much the fence falls down. In short, don’t think you can use it to stick down mass loaded vinyl or drywall. The space between the drywall and Comfortboard provides the air gap. One. The cost for 1# MLV is also around $1,100. A double layer of drywall will never go beyond 60 STC points, while QuiteRock can go all the way to the 70s. Rearranging The Furniture; 9. MLV is great for. Mass Loaded Vinyl Adding mass loaded vinyl. ) is $22 with and 2 tubes green glue at $35. A thin 1/2" layer of factory damped dyrwall weighs 68 lbs per 4x8 compared to 144 lbs that Green Glue and 2 layers of Type X drywall weights per 4 x 8. - 5p. After all, filling in a gap between walls is bound to be more of a time-sink than simply plastering something over a wall. Page 3 of 7 - Green Glue - vs. Andre 3. The basement I am finishing has MLV fastened to the ceiling joists. 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. - 5p. Acoustician and manufacturer of acoustic treatments at an industry leading company. MLV is thinner and saves space. com. The “active ingredient” in the curtain is an 1/8″ thick, 1lb. 135 Square Foot Roll . Adding a layer of the drywall along with green glue will result in better efficiency and noise dampening when it comes to walls. 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). It is made from polyvinyl acetate (pva) and water. 7. From mass loaded vinyl to soundproofing spray, there’s something for all types of problems. Our Mass Loaded Vinyl is manufactured in the USA, is strong and has no odor. MLV is 1/8″ thick and will reduce both Airborne Noise and Impact Noise by up to 27 decibels. Soundsulate Mass Loaded Vinyl; 3. 3. Half-inch is the most common type, but if you can find something like 5/8 inch, use that. Vinyl is used to give MLV the required flexibility. Buy Soundsulate™ 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS: Acoustical Treatments - Amazon. The space between the drywall and Comfortboard provides the air gap. 50. All I know is that with mass loaded vinly and Green Glue in my wall with 5/8, green glue,1/2 dry wall, R-13 fiberglass and 1/2 dry wall, in the room with a boom box, my system is still down. A 3 page test data guide of Green Glue versus Mass Loaded Vinyl Admin | Downloads: 7184 | Hits: 7217 | Download. Cut a hole in the nozzle. Attach nozzle to cartridge and place cartridge into a standard quart sized caulking gun. However, its effectiveness is much lower than that of the green glue compound, especially at low sound frequencies. Sound isolation clips help block sound by decoupling the wall and vibrational transfer from the rest of the space while the vinyl barriers help block sound due to their material density. We offer Mass Loaded Vinyl Products in 4kg, 5kg, 6kg or 8kg/m2 variants. Like QuietGlue Pro, it is designed to be used between two sheets of plasterboard. Use construction glue to glue 1/2 plywood to wooden boards first (to eliminate all squeaks and create monolithic rigid surface) and then use green glue and. We recommend installing the MLV parallel with the framing. It is also available in different types catering to various requirements. consider making some soundproofing efforts there as well (such as by wrapping it with an adhesive mass. Whether you're hearing noise from above, or outside, you can use mass loaded vinyl to create more mass and drown them out. 59 – $ 363. Apply Green Glue within 15 minutes. But, at nearly $400 for 5 gallons, it takes the prize for the most expensive alternative. Bituthene 4000 36 in. Green Glue, which makes whisper clips, is better known for its sound dampening compound. For the next layers, repeat the process of measuring and cutting to fit for the neoprene foam and mass loaded vinyl. Increase the Mass of the Surface With MLV. . It’s made from 2 outer layers of vinyl with an interior core of either barium sulfate or calcium carbonate. Foam moats: This will serve as an additional soundproofing layer for our quiet box. x 66 ft. 4. There are a lot of different ways to go about it, and two common options are to use either mass loaded vinyl ( Full In-depth Article) or Green Glue noise proofing compound and sealant. Roll System Waterproof Membrane and Conditioner (200 sq. 25". Mass-loaded vinyl is a heavy polymer sheet that you can attach to the joists and studs within a wall before putting in resilient or hat channels and covering the internal structure with drywall. Green Glue is a popular MLV alternative, especially for do-it-yourselfers tackling existing walls. MLVis a dense, flexible, and heavy material made of vinyl impregnated with metal particles or barium sulfate. $60 to $110 for a layer of QuietRock. Mass Loaded Vinyl has been applied in soundproofing since the 1960s. Green Glue is a thick liquid that is applied between two layers of drywall to create an effective sound barrier. Be sure to leave an inch or two clearance between the plug and the windowpane. One idea that’s been around is adding resilient channels for soundproofing and combined with Green Glue Noiseproofing Compound. 5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Frequency (Hz) Transmission loss (dB) Green Glue Assembly II, OL 05 1035 MLV Assembly II, Constrained OL 05 1054b MLV Assembly I,. Take a look at the two pictures below - one showing a situation using Green Glue in just the ceiling, and one showing a situation where Green Glue is also utilized in the floor. 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. 5-2lbs. 50-02 23rd Street. For comparison, standard drywall weighs around 1. Your potential savings is around $4,000, assuming $1,500 for the other expenses. Acoustic Caulk & Green Glue Applicator, quart size tubes Our Price. 57 $ 172. – Soundproof Guide Green Glue vs Mass Loaded Vinyl – All the Facts You Need to Decide! Soundproofing can be a pretty tough thing to get. 1. 2. This should give you some reduction in transfer through. Forty inches of foam weatherseal costs less than $5. 8 Reviews. 1. I know MLV has been blasted in the forums before as being "not effective" in its soundproofing purposes versus the cost. The curtain is an effective and durable sound absorber that comes with a mass-loaded vinyl barrier. This is the most popular application of MLV. It's all about the "sum of all the parts" here. Mass Loaded Vinyl (MLV): While MLV is commonly used in soundproofing applications, it is not a direct substitute for Green Glue. To keep everything in place, glue works in most cases. A square foot of MLV can cost anywhere between $1 and $2. com. That will probably get you and additional 3-5 db reducing of sound. $195. If you go with 2 lb/ft^2 with no gaps, you will notice a significant improvement in noise reduction. Green Glue. It’d help with dampening the 2. The reason mass loaded vinyl is a good option is that it works as both a sound blocker and sound absorber. Show. MLV is best suited for blocking airborne noise, while Green Glue excels at reducing both airborne and impact noise. 36. Don’t use thermal insulation products such as polystyrene and expanded foam panels. Make sure no air gaps are forming that will contribute to sound leaking. Class A Mass Loaded Vinyl Barrier; Coat of Silence – Acoustical Paint; Duct V-Max; Echo Barrier – Outdoor; Green Glue – Damping Compound; Mass Loaded Vinyl Barrier; Melamine Composite Panel; Noise S. Stalwart Foam Mat Floor Tiles. I was looking at options for insulating and sound deadening. Simply subtract the second number from the first number to get transmission loss. As mentioned earlier, carpet glue (Amazon) can be used as an inexpensive, but comparable, substitute for green glue. It’s a well known and widely used soundproofing material that’s pretty good at its job. I was looking at options for insulating and sound deadening. Remember, MLV was originally designed to be hung freely to dampen noise and vibration. 5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Frequency (Hz) Transmission loss (dB) Green Glue Assembly II, OL 05 1035 MLV Assembly II, Constrained OL 05 1054b MLV Assembly I, Limp Mass OL. Can Mattress Foam Soundproof Effectively? By Sharad Dominic July 10, 2019 November. $ 149. Mass Loaded Vinyl is an excellent green glue substitute for soundproofing a home, recording studio, and any other space effectively. This is a High Quality Mass Loaded Vinyl which boosts soundproofing performance by adding mass and preventing structure from vibrating. Like decoupling, you can rely on damping compounds to stop low-frequency noise. It’s made up of vinyl that’s infused with metal particles to increase its mass. g. It combines incredible density with a workable product. 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. It is rated at 26 STC points in the one pound variety and 32 STC points in the two pound version. MLV has a density ranging from 0. This material adds mass to the walls and ceiling, reducing sound transmission. 16th June 2017 #3. For comparison, standard drywall weighs around 1. Green Glue is a visco-elastic soundproofing compound that, when. - Mass Loaded Vinyl 10 20 30 40 50 60 70 31. Fasten the nail or screw with a washer 2′ on center along the top and bottom plate and length of each stud. As has been written in this thread, Green Glue is tested. A typical roll of this MLV is 4 feet wide, 50 feet long, and ½” thick. Cut the MLV to. Mass Loaded Vinyl Mass Loaded Vinyl (MLV) is a dense, heavy yet flexible black, gray, or transparent vinyl soundproofing material. Use Green Glue. 25" x 7. Key Takeaways From The Compatibility Chart Understanding The Results And Their Implications. MLV is thinner so it can save you some space when applied externally. Noise Grabber™ MLV is offered in multiple. Each has its pros and cons, and we’re here to help you choose the best fit for your space. Mass Loaded Vinyl (MLV) has been an industry standard in noise control for decades. Using Green Glue between lays of drywall is also recommended. Barium sulfate is a non-toxic and high-density material that is used. After installing it, you need to set drywall. 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. If you want to seriously increase the mass, you’ll need more than just insulation. 5' wide by 12' long. When autocomplete results are available use up and down arrows to review and enter to select. per square foot at 1/2” thick. Using acoustic sealant will help dampen noise and vibrations. What is Green Glue: Green Glue is a visco-elastic damping compound. 1 psf Mass Loaded Vinyl is 1/8″ thick, while 2 psf is 1/4″ thick. com. 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). However, there are two Green Glue alternatives we recommend regularly. Its thickness can also vary, but it’s common for it to be between 1/16 to 1/4” thick. Soundproofing a floor: How about cement backer board w/ Green Glue and mass-loaded vinyl? Ask Question Asked 12 years ago. For modifying existing walls, Green Glue is the best option. For all but Green Glue, this is generally true. As Green Glue isn’t an adhesive, you’ll need to use staples or tacks to hold it in place. 5' wide. It’s a sealant designed to fill up cracks and gaps when undertaking soundproofing projects. Green Glue Technical Data Sheet. CS1: 937 Tỉnh Lộ 10, P. It is also ideal to use multiple high-density or high-mass materials for your room. or floor, regardless of other materials used in that assembly. However, there’s only so much it can do against impact noise on the bottom side of the ceiling. Green Glue – Damping Compound; Impact of Green Glue Noiseproofing Sealant; Installation Instructions –. It is constructed by adding barium sulfate or other heavy minerals to vinyl, resulting in a dense and flexible sheet. 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. Using Mass Loaded Vinyl 7. 2 layers of 5/8″ drywall with Green Glue sandwiched between would be my choice. #2. ) Bituthene 4000 is a self-adhesive HDPE waterproofing membrane with super tacky compound for use with patented, water-based Bituthene System 4000 Surface Conditioner. Read honest and unbiased product reviews from our users. - Mass Loaded Vinyl 10 20 30 40 50 60 70 31. 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). January 4, 2023January 4, 2023 Green Glue and Mass Loaded Vinyl (MLV) are both products used for soundproofing, but they work in different ways and have some key. It’s easy to roll out, and adding a layer between two layers of drywall will give your walls much more soundproofing ability than they already have. It is made from a PVC compound that is filled with Lead shot, metal powder or other weighty materials. Quantity = Length. Preview. 1. Mass Loaded Vinyl is basically a miracle material in the world of soundproofing. What is Better than Mass-loaded Vinyl? 1. 4kg Mass Loaded Vinyl: Best Quality Australian Made. While Krazy Glue is a brand of Super Glue, their formulations may differ slightly, but they essentially serve the. 2. - Mass Loaded Vinyl Phone: 989-832-1602 | [email protected] 3: Apply Green Glue. 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. Description. 59 – $ 230. Instead of closed cell foam, you could use sound deadening mats. One layer of 5/8" drywall on new wall glued with Green Glue, then another layer of 5/8" drywall perpendicular to first drywall, with Green Glue in between. If you have an open space through which noise. Mass Loaded Vinyl (MLV) Mass loaded vinyl (Amazon) comes in a wide variety of types and price ranges and is an exceptional source of non-resonant. They are mostly made of vinyl under really high temperatures and a limp-mass material that acts as a sound barrier. Apply a small amount of glue to one surface and hold the two surfaces together for 30 seconds. Read more on how to install mass loaded vinyl here. Noise Control Help Line: 1-800-854-2948 M - F 8a. Green Glue Soundproofing Compound. I am not saying I am an expert on sound but I do sell a lot of mass loaded vinyl in the New York City area. Big difference. Green glue would need 5 tubes, £87. We found Green Glue to be the least expensive and clearly the best performing”. Green Glue is recommended over MLV, Resilient Channel, Soundboard, etc. Apply finished ceiling to the furring strips. 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. Green Glue Noiseproofing Compound vs. 3. The Green Glue helps dissipate the noise. Make sure the drum room is either carpeted or has plenty of rugs. Green Glue is also cheaper compared to MLV and much easier to apply. Installing AudioSeal ® Mass Loaded Vinyl Soundproofing Barrier on the studs prior to building a finished wall will add a limp mass barrier to the construction. 5′ x 30′ x 1/8″. Dampen noise with this acoustic glue! Noise Control Help Line: 1-800-854-2948 M - F 8a. - Extra Drywall Green Glue - vs. At $15/tube $6,500. It works but that layer would much more effective left loose and floppy like a shower curtain behind the drywall. However. Would hanging a curtain of MLV inside the wall (weaving it between the studs) help absorb sound travelling. 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. In contrast, drywall is a lightweight material that usually contains gaps. There are many places where you can buy mass loaded vinyl in the Philippines. Tân Tạo, Q. Mass Loaded Vinyl Soundproofing. Soundproofing web sites state, "Mass Loaded Vinyl is a reflective barrier material that weighs one or two pounds per square foot. 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.