Green glue how much do i need

However, I will give you this little testing tidbit:. Alright, lets get back on track to 1, 2, or 3 tubes to use. The Green Glue Company recommends 2 tubes per sheet of 4 x 8 drywall and most testing shows that 2 tubes offers the best STC return on investment. From the limited testing done on 1 tube applications the results are still much better than not using Green Glue at all. Green glue needs to be a constrained layer, meaning that Green Glue is sandwiched between to rigid, dense layers of building material.

For floors, you can use any common materials cement board, OSB, plywood, etc. 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. The presence of rigid, low-damping materials alongside Green Glue between layers is not desirable.

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.

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. Yes, without a doubt. In fact, Green Glue has performance advantages in many applications relative to some decoupling schemes. Yes, and better performance can be had. It is usually more convenient to apply Green Glue to a loose drywall sheet at floor level or sawhorses and then raise the panel.

Press the building material against the wall or ceiling and then screw it to the studs. If installation conditions prohibit Green Glue from being applied at floor level, it is just as effective to apply Green Glue to the first layer of drywall and raise the second sheet of drywall onto the wet surface. Do not let dry. Apply Green Glue within 15 minutes.

Drywall sheets must be screwed together while the material is still wet. Allow Green Glue 30 days of drying time for optimal sound isolation performance. Because it needs to dry, Green Glue must be allowed 7 to 10 days drying time before sound isolation will start to improve. High humidity, cold temperatures and multiple drywall layers could slow the drying time considerably. Because of the many installation variables beyond our control, we shall not be liable for incidental and consequential damages, directly or indirectly sustained, nor for any loss caused by application of these goods not in accordance with current printed instructions or for other than the intended use.

Our liability is expressly limited to replacement of defective goods. Any claims shall be deemed waived unless made in writing to us within thirty 30 days from the date it was or reasonably should have been discovered. Print Page. What type and thickness of drywall will be used?

Once you have these details, an estimate of sound reduction can be done by consulting our extensive test database to match many or all of these elements to give you a better sense of the final STC value you can expect. Please note: while we have hundreds of tests in our database, we do not necessarily have exactly the same set-up as each and every project. However by matching similar information you are often able to have a close approximation.

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. Green Glue Noiseproofing Compound is a viscoelastic damping compound that converts sound energy into a minute amount of heat. Very simply, when used between two rigid layers of material, typically drywall, the compound works to isolate the noise traveling from one room to the other.

Green Glue Noiseproofing Sealant is a polymer that is designed to remain flexible over time and to prevent sound from flanking around acoustical elements. It is designed to be paintable help it remain hidden after your project is complete and may but used under typical finishing materials. Green Glue Noiseproofing Clips are engineered components designed to be used with hat channel. The system mechanically decouples one side of the wall from the other, thereby reducing the amount of sound energy travelling through the frame and allowing one side to vibrate independently from the other.

Joist Tape is a foam tape with a placement adhesive on one side and has a permanent backing that allows flooring and sub flooring to be easily positioned over the tape.

If functions by preventing the direct contact between the floor and joists that can cause squeaks. If dispensing the Green Glue Noiseproofing Compound or Sealant from tubes, you will need a standard oz caulking gun which can be found at almost any hardware store for application. We also recommend using drop cloths when hanging drywall with the Green Glue Noiseproofing Compound as it can be difficult to clean from some surfaces.

If dispensing the Noiseproofing Compound from a 5-gallon pail, we strongly suggest purchasing a pail applicator tool from one of our distributors. While using a trowl is an option, applying too little or too much onto each panel can affect the performance of your wall. Green Glue Noiseproofing Clips work in conjunction with hat channel, which is available from most drywall suppliers. In addition to hat channel, you will need the appropriate screws and a screw gun to secure the clip and channel system to the studs or joists.

Joist Tape can be applied by hand. Green Glue Noiseproofing Clips work to mechanically decouple one side of the wall from the other, thereby reducing the amount of sound energy travelling through the frame. Mechanically separating two sides of a wall can improve sound isolation by allowing one side to vibrate independently from the other. Please note: Noiseproofing Clips cannot be installed over existing drywall as doing so will cause a Triple Leaf Effect.

Please see our Noiseproofing Clip Installation Guide for specific recommendations on how to install the Noiseproofing Clips.

So long as two of the layers are rigid for example, being applied between a layer of drywall and soundboard is not a good application and one of these layers is porous, the Noiseproofing Compound will perform well. Anything thinner is not advisable. The same rules apply to other building materials such as plywood and OSB.

Green Glue Noiseproofing Compound does not need to be applied in any specific pattern. Despite the Green Glue name, our Noiseproofing Compound is NOT a permanent adhesive and therefore the second layer of drywall still needs to be fastened to the studs per local building codes. We do not want panels falling off walls and ceilings! Please note: We always recommend following local building codes regarding the types of nails or screws to use in securing layers of drywall or other building material.

Once applied to a panel, the Noiseproofing Compound begins to cure within 15 minutes, so it is important to hang the panel promptly. Once the panel has been hung and secured in place, the Noiseproofing Compound will begin curing and will reach peak performance within 30 days.

This is important: if you have just applied the Green Glue Noiseproofing Compound and drywall and are not hearing a perceivable increase in performance, please do allow 30 days and then evaluate the change.

To seal the sound from going around, flanking, your treated wall we recommend using Green Glue Noiseproofing sealant.