Green Glue Noiseproofing Clips (aka, WhisperClip or QuietClip) are the newest addition to the resilient sound clip market. The high performance of the Green Glue Clip along with the lowest price in the resilient sound clip market are the main reasons these clips have been so successful.
Advantages to the Green Glue Clip
- Minimal Connection Point: The connection between the actual clip that holds the hat channel and the base is as small as a nickel. This two piece clip design is the biggest advantage performance-wise in low frequencies for Green Glue Clips over the competition.
- Clip Head Pivots: The Green Glue Clip can be installed in two ways. One way is the typical installation so that the hat channel installs perpendicular to the joists and the other way is with the clip pivoted so the hat channel can run parallel with the joist (as shown pictured above). The advantage of this is you can set up the hat channel to run along the side of doors in small areas and you can also install the clips in a way that the hat channel can run parallel with your studs or joists.
- High Performance: The Green Glue Clips perform extremely well in both high frequencies (STC) and low frequencies (OITC) which makes them a great solution for isolating sound regardless of the type of sound you are isolating.
Disadvantages to the Green Glue Clip
- No UL Rating: The Green Glue Clip currently is not UL Rated. You can only use this clip on commercial projects that require fire rated materials if you first get approval from a local building official. Residential installation of resilient clips does not typically require a UL rating.
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A major part of the equation for estimating the number of clips you need is figuring out the spacing of your clips. You will always space the sound clips 48" apart when possible for maximum resiliency, but you will need to decide whether you should space your hat channel rows 16" apart or 24" apart.
16" on center: Space your hat channel 16" on center if you are using 3 layers of drywall.
24" on center: (The recommended spacing of hat channel) Space your hat channel 24" on center if you are using 1 or 2 layers of drywall. We recommend two layers of drywall for drastically improved results. All sound tests you will see for any resilient sound clip is done with 24" spacing of hat channel.
Increase the gauge of the hat channel from 25 to 22 or 20 when adding a third layer of drywall in addition to shortening the hat channel spacing from 24" to 16".Layout is another aspect to estimating resilient sound clips. There are two options for laying out your resilient sound clips. The standard layout uses the least amount of clips and is the most common way to layout resilient sound clips. The other option is the staggered layout.
It is believed that the staggered layout increases the effectiveness of the clips being used. You may notice from the layout images in our resilient sound clip installation guide that the staggered layout uses more clips than the standard layout. The staggered layout will require you to include roughly 10% more clips to your estimating total over the standard layout. We suggest using the standard layout since the increase in performance of staggering the clips is minimal and ultimately costs more money and takes more time to layout a staggered clip pattern.
Doors and Windows: Doors and windows will increase the number of clips you need for your project. Add 7 clips for every door in the room and anywhere from 6 to 12 clips for every window in the room. Each door will require 2 clips as the door header and each window will require 2 clips above and below the window.
Green Glue Clips are tested using R-19 which raises the overall STC rating by 1-2 points. The tests below were conducted in a lab that is commonly known to rate about 2-4 STC points higher than most labs. The Green Glue Clip is not rated for ceiling use, but of course is safe to use in any ceiling assembly.
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| .PDF Sound Test | .PDF Sound Test |
Standard or Staggered Layout: You will want to decide between the standard layout or the staggered layout when installing your clips. The images below show the difference between the standard layout and staggered layout. Staggered layout is believed to improve results slightly and tests for sound clips typically utilize staggered layout patterns.
Installing Clips: Installing clips is simple and does not require hiring a contractor.
Review our installation guide for installing resilient sound clips
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Width: | 1 1/8" |
| Height: | 4 1/4" | |
| Depth: | 1" |
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| Depth With Hat Channel: | 1 1/2" | |
| Weight: | .128 pounds | |
| Specified Hat Channel Width: | 2 1/2" - 2 5/8" |
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