Clip Specifications
| WhisperClip | RSIC-1 Clip | ||||
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Width: | 1 1/8" |
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Width: | 1 3/8" |
| Height: | 4 1/4" | Height: | 3" | ||
| Depth: | 1" | Depth: | 1 1/4" | ||
| Depth With Hat Channel: | 1 1/2" | Depth With Hat Channel: | 1 5/8" | ||
| Weight: | .128 pounds | Weight: | .15 pounds |
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| RSIC-V Clip | |||||
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Width: | 1 3/8" |
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| Height: | 3" | ||||
| Depth: | 11/16" | ||||
| Depth With Hat Channel: | 1 3/16" | ||||
| Weight: | .08 pounds |
Types Of Fasteners For Clips To Studs/Joist
Wood:![]() Flat Head, Coarse Thread Screw |
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| WhisperClips: | #8 x 2 1/2" | |
| RSIC-1: | #8 x 2 1/2" | |
| RSIC-V: | #10 x 1 5/8" | |
Steel: |
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| WhisperClips: | #8, #10, or #12 x 1 5/8" | |
| RSIC-1: | #8 x 1 5/8" | |
| RSIC-V: | #8 x 1" | |
What Tools You Will Need for the Job
Required:
- Measuring tape
- Pencil or marker to mark the layout for the clips
- Corded drill for attaching screws through the clips and attaching screws to splice the hat channel
- Pair of tin snips for cutting the hat channel
- Above specified screws for attaching resilient sound clips
- 7/16" steel stud framing screws for splicing hat channel
Optional:
- Chalk line used to layout marks where clips will be installed
- Level for checking the hat channel on walls
Optional Clip Layout Patterns
Sound tests are done using the Staggered Layout option. Roughly 5% more clips will be used with the Staggered Layout option. Actual improvement in results over the Standard Layout option is marginal.
| Standard Layout | Staggered Layout | |
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Four Easy Steps to Installing Resilient Sound Clips
- Layout and mark the clip pattern on the studs using either the Standard Layout or the Staggered Layout. Measure 48" on center between clips from stud to stud and 24" on center along the length of the stud to establish the rows of hat channel. If you are hanging 1 or 2 layers of drywall then space the hat channel 24" on center. If you are hanging 3 layers of drywall then space the hat channel 16" on center.
- Attach the clips to the layout markings on your studs using the appropriate fasteners specified above.
- Place the bottom side of the hat channel into the clip, and then squeeze the hat channel enough to fit the top of the hat channel into the clip.
- Place either our Sound Isolation Strip or 1/4" temporary spacers along the floor before hanging the drywall on walls. Keep a 1/4" gap between the drywall and the floor to maintain decoupling between the wall and floor. Also keep a gap between the wall drywall and the ceiling drywall of 1/8" to 1/4". We suggest hanging the first layer of drywall perpendicular to the hat channel.
Staggered Layout With Clip Spacing and Hat Channel Spacing

Important Tips to Remember
- If you are installing clips on the ceiling and walls then install the ceiling clips first. Then the wall clips can be installed in relation to the ceiling space lost from the clips and hat channel depth. This will help you space the channel to make hanging the drywall easier and it will also create a fire stop to meet building code in some states.
- When splicing hat channel, overlap the hat channel by 6 inches. Secure this splice with two 7/16" steel stud framing screws through both sides of the 45° angle of the hat channel.
- When splicing hat channel, the overlap needs to occur between two clips. The clip cannot properly hold a double layer of hat channel.
- Clips should not exceed 48 inches on center.
- Hat channel row spacing should not exceed 24 inches on center and generally should run perpendicular to the joists or studs.
- Attach the bottom row of clips at around 3" from the floor to help attach the baseboard and within 6" of the ceiling to help support the drywall near the angle.
- Clips on the ceiling must be installed within 6" of the perimeter to help support the drywall near the angle. If there is not a truss near the angle then you will need add additional framing to help support this final row of clips.
- Clips on the walls must be installed within 6" of the perimeter to help support the drywall near the angle. Typically additional wood will need to be added near angles of the room to allow for clips to be installed properly.
- You must seal the wall after installation of drywall. If you are taping and texturing the wall then you only really need to seal along the floor and around outlet boxes. If you are planning on covering your walls with fabric, then you must use a product like SilenSeal along the entire perimeter, along all drywall joints, and around any wall openings.
What Hat Channel To Buy
For each of the above resilient sound clips, the recommended hat channel is either 2 1/2" or 2 5/8" wide x 7/8" high and 25 gauge for added resiliency. Some companies will specify 22 gauge for ceiling installations, but 25 gauge is heavy enough. We reccomend 25 gauge over 22 or 20 gauge for easier installation and 25 gauge also provides a more resilient system which will lead to better STC ratings. Hat channel is sold in 12' or 10' lengths from any local drywall supply yard or lumber yard that carries steel stud framing products or even special order from stores like Home Depot or Lowes.
You can also purchase hat channel from our store in 6' lengths. Our hat channel ships from our Idaho location. Click here to view our hat channel product page.
Dealing With Electrical Outlets
An issue not discussed often is what to do with your electrical outlets on walls with resilient sound clips installed. The easiest method to deal with this issue is by hard-wiring your electrical and not installing the outlets until after the drywall has been installed. Here are the simple steps to accomplishing this:
- Run the electrical wire about 8" beyond where the outlet will be installed.
- Attach a wire staple to the stud to secure the wire at the correct height for outlet placement.
- When hanging the drywall, mark the drywall where the wire will need to be pulled through and cut a hole large enough for the wire to be pulled through.
- Pull the wire through the hole that you have cut. Do not leave the wire behind the drywall to 'fish' later. Any mistakes that need to be patched may reduce the effectiveness of the sound clips.
- When the drywall is finished you can install remodel boxes for your outlets. Mark the size of the remodel box on your wall by tracing around the outside of the box where the box should be installed.
- Cut out the traced lines, insert the box, and then wire the outlet as you would any other outlet.
The advantage of installing your electrical outlets using remodel boxes are twofold. First, the outlet box will be decoupled from the framing to maintain consistency with the rest of the wall's theme of decoupling. Second, the outlet will be properly flush and secure to the wall without having to deal with add-on extension boxes, extra framing, etc.



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