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RSIC-1 clips are manufactured by Pac-International. They are the original resilient sound clips and very popular in large commercial projects. Their design is well recognized and provides quick installation clip which is important when you are installing hundreds or even thousands of clips.
Red Bumper Knock-Off
The red bumper version from Australia is very similar with a couple of exceptions. RSIC-1's black bumper base is much more resilient than the new 'red bumper knock-off'. If you were to compare the two clips side by side, like we have, then you would see the difference in quality is very obvious. The red bumper knock-off also does not have the same UL Ratings that RSIC-1 clips have achieved. What this means is that if you purchase the red bumper knock off version of the RSIC-1 clip then you will be buying a lower performing product that has less UL configurations for the same or higher price than the RSIC-1.
Advantages to the RSIC-1 Clip
- One Screw Installation: Unlike the other high performing clips, the RSIC-1 clip only needs one screw down the center of the clip to attach to the studs or joists. While this clip doesn't install twice as fast as the Green Glue Clip, it will definitely save you around 15 minutes of labor per 100 clips installed.
- High Performance: The RSIC-1 clips perform very 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.
- Incredible UL Rating: The RSIC-1 clip has achieved a 1 hour UL fire rating with only 1 layer of drywall. To achieve the same rating with the others clips you would need to install 2 layers of drywall.
A major part of the equation for estimating the number of clips you need is figuring out the spacing of your clips. You will want to space the sound clips 48" apart 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. Also, all sound tests you will see for any resilient sound clip is done with 24" spacing of hat channel.
View our .PDF for estimating clips for 24" or 16" on center spacing
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.

Standard or Staggered Layout: You will want to decide between the standard layout or the staggered layout when installing your clips. The standard layout method will work with the equation above and staggered layout will require roughly a 10% increase in the number of clips needed. The images below shows 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
| Standard Layout | Staggered Layout | |
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Width: | 1 3/8" |
| Height: | 3" | |
| Depth: | 1 1/4" |
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| Depth With Hat Channel: | 1 5/8" | |
| Weight: | .125 pounds | |
| Specified Hat Channel Width: | 2 1/2" - 2 5/8" | |
This product ships same day from Idaho and Georgia depending on delivery location and available stock. If delivery time is crucial then please confirm availability before ordering.
| Idaho: | Order by 3 PM Pacific Time for same day shipping |
| Georgia: | Order by 2 PM Eastern Time for same day shipping |
Estimated Delivery Time After Product Ships






