Green Glue.

Green Glue can be used to soundproof walls, floors and ceilings. Use Green Glue in-between two sheets of drywall or any other porous, rigid building material. Green Glue works effectively against any impact or airborne noise control problem.

Floors

Walls

Ceilings

Continued Product Information

Green Glue can be used over any existing wall, floor or ceiling by simply adding another layer of material. No rolling, painting or troweling is necessary. Just open the tube and apply in a random pattern. With a fast and easy installation, anybody can soundproof a room with Green Glue.

Bulk Green Glue & Applicator

Green Glue is available in 5 Gallon Pails. Each pail covers 352 sq.ft., or eleven sheets of 4′ x 8′ drywall. In the right project using Green Glue Pails can be the correct choice. We offer a re-loadable dispenser and follower plate that prevents waste and saves a bunch of time. Give us a call to see if Green Glue Pails are the right choice for you.

How it works

1

Green Glue is a constrained layer damping system, which as a damping material is sandwiched between two other rigid materials. For example, Green Glue sandwiched between two layers of drywall. Damping occurs when the viscoelastic center of the “sandwich” is sheared.

When bent, shear forces pull and stretch on the damping material. Under these conditions, Green Glue efficiently converts and dissipates this mechanical vibration energy to heat, effectively eliminating the noise.

2

Green Glue is the simplest, most effective and most affordable soundproofing product for your walls, floors and ceilings.

3

Green Glue has ultra low VOC’s, is non-toxic and cleans up with soap and water.

4

Green Glue drastically reduces impact and airborne noise. It is one of the few products that can solve both.

5

Green Glue beats the cost and performance of Quiet Sheetrock or any other high-cost “special” sheetrock. Read more about the performance of Green Glue vs Quiet Sheetrock.

6

Ideal for home theaters, recording studios, playrooms; wood, tile and carpet floors; anywhere you want some peace and quiet!

7

Already used thousands of times with astounding results. Stop neighbor noise and create a quieter home, workplace, condo or conference room.

Detailed Usage

Frequently Asked Questions

1. What is Green Glue and how does it work?

Sound travels as a wave through the air. It’s an airborne vibration. The waves hit a wall or ceiling and the energy becomes structure-borne. Unless the wall or ceiling material is damped, the vibration will travel through the building framing and exit somewhere else as sound again.

2. How does Green Glue Work?

In a constrained layer damping system, sometimes referred to as CLD, a damping material is sandwiched between two other (usually stiff/rigid) materials. For example, Green Glue sandwiched between two layers of drywall. Damping occurs when the viscoelastic center of the "sandwich" is sheared (see right). When bent, shear forces pull and stretch on the damping material. Under these conditions, the unique polymeric construction of Green Glue very efficiently converts this mechanical energy to heat. The vibration energy is not isolated, it's dissipated and gone.

3. How is it applied?

Green Glue comes in 29 oz. tubes. You can use any quart size caulk gun, available at most hardware and building material stores. It is very fast and easy to apply. No special skills whatsoever are required. Application Instructions.

4. Can I use Green Glue with only one layer of drywall?

No. Green glue needs to be a constrained layer, meaning that Green Glue is sandwiched between to rigid, dense layers of building material. There is no limit to how many drywall / Green Glue layers you can utilize, and performance will improve as the # of layers goes up. You can save valuable $$$ by using slightly less Green Glue in each damping layer if your walls are to have more than 2 layers of drywall. For floors, you can use any common materials (cement board, OSB, plywood, etc.)

5. Do I use nails or screws in conjunction with Green Glue?

Yes. Audio Alloy recommends the use of screws in accordance with local building codes. Screws assist with the compression of the Green Glue layer into a thin film.

6. Should I use conventional adhesive along with Green Glue?

No. The presence of rigid, low-damping materials alongside Green Glue between layers is not desirable.

7. How thick is the Green Glue layer?

About 0.5 mm.

8. Can Green Glue be used in floors?

Absolutely, in fact when used in floors, Green Glue yields a double benefit - it helps with both impact (footstep) noise and airborne sound, and is very effective at both. Green Glue may be used between layers of subfloor, between subfloor and tile backer board, and between thinset mortar and the surfaces below. You may be able to use 2 layers of thinner subfloor if convenient.

9. Can I treat just the ceiling, or should all surfaces be dealt with?

If you have a situation where you want, for example, to stop sound from moving upstairs, the most logical path for the sound is through the floor/ceiling into the room above, this is called the direct path. However, sound can make its way upstairs through the walls (or even floor) as well in the form of mechanical vibration. Sound in your room vibrates the walls, this vibration makes its way up where it creates sound by vibrating the surfaces of the upstairs room. Sound making its way through these indirect paths is called flanking noise.

An analogy that is sometimes used when discussing sound isolation is that of an aquarium. If your aquarium has a hole in any of the 5 sides, then the water can spill into the floor, regardless of how tight the other 4 are. The same applies to sound.

For best results, you should consider treating all the surfaces of your room. You may also have to pay attention to other sound paths, such as noise going in and out of doors, and noise making its way through ductwork. Read more about how sound can travel along non-linear paths.

10. Can GG make a high performance wall without decoupling methods such as resilient channel?

Yes, without a doubt. In fact, Green Glue has performance advantages in many applications relative to some decoupling schemes.

11. Can Green Glue be used in conjunction with decoupling techniques?

Yes, and better performance can be had. For walls the preferred decoupling methods are double studs > staggered studs > modern sound clips > resilient channel. For applications where low frequency isolation is important, resilient channel is not recommended.

12. Will Green Glue perform even better in between drywall and soundboard?

No. Soundboard is far lighter than drywall and isn't preferable in any ceiling or wall assembly.

13. How does Green Glue compare to other techniques?

We have same-lab, 3rd party data answering this question directly. See our technology page for the details.

14. Is Green Glue toxic?

No. Green Glue is water based, non-toxic, non-carcinogenic, and very low in VOC (<5grams per liter / compliant in all 50 states and worldwide). As with all products, paints, glues, and so forth, you should use proper precautions and read the MSDS before using Green Glue. Green Glue has a mild odor, typical of latex products. This odor is not dangerous and will dissipate completely given time.

15. Is Green Glue a fire hazard?

No. Green Glue has been fire tested, and can be utilized in fire-rated walls without affecting the rating of the wall.

16. How much does Green Glue cost?

About 80 cents per square foot, making a layer of Green the most economical sound isolation product around, as well as one of the best.

17. How much do I need?

Recommended application is 2 tubes of Green Glue per 4' x 8' area - 2 tubes per standard sheet of drywall. If you are not on a budget, utilizing 3 tubes per sheet will improve performance. Each case of Green covers about 192 square feet, or 128 square feet if used at the 3 tubes coverage rate. Do not use more than 3 tubes per 4' x 8' sheet as performance will actually decline above 3 tubes per sheet. You are just wasting your money!

18. I need to soundproof on a budget, how can I reduce the cost of a Green Glue room?

Wonderfully, Green Glue performs at an only slightly lower level if you use it at 1.5 or even 1 tube per sheet instead of the recommended 2. about 70% of the raw damping performance is retained when using 1 tube per sheet, 3rd party tests coming soon. In fact, Green Glue can improve performance if used at even less than 1 tube per sheet.
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