RSIC-SI-CRC Clip with Spring Isolator, Ceiling Soundproofing

RSIC-SI-CRC Clip with Spring Isolator, Ceiling Soundproofing

RSIC-SI-CRC combines a CRC clip with a rubber encased spring isolator clip, engineered for full 1" deflection. 

  • Drop ceiling applications
  • Variety of weight capacities
  • Can add up to 5 IIC points, over installations using standard RSIC clips.
  • Can be used on wood, steel and concrete applications (with modification.)

PRICED PER CLIP

FREE SHIPPING applies for orders over $300.00  See Shipping and Returns tab below for additional information. 

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SKU RSIC-SI-CRC-10LB.
Weight 1.60 lbs
Description

RSIC-SI-CRC clip is engineered to create a drop ceiling with 1" deflection. Designed to hold 1.5" -16 gauge cold rolled channel. Ceiling can be applied directly to channel or additional clips like the RSIC-CRC Clips,, RSIC-1 Clips and Furring Channels can be added. See Product Data Tab for more information.

Product Options: Available in 10 Lb., 20 Lb., 40 Lb., 80 Lb., 120 Lb. and 160 Lb. versions. The 80, 120 and 160 Lbs. isolators allow for spacing at 48" x 48" oc supporting 2,3 or 4 layers of 5/8" gypsum goard. The 10, 20 and 40 Lbs. isolators may be used for single layer ceilings, edge or corner isolation.

Applications: For new and retrofit construction. Can be used in wood and steel framed systems, or concrete with the addition of the RSICSI overhead adapter (sold separately.)

RSIC-SI-CRC Specifications:

  • Acoustical Design Load: 5 Lbs. - 160 Lbs.
  • Cavity Minimum: 1"
  • Cavity Maximum: 9"
  • Adjument Limit: 6"
  • Use on Ceilings: Yes
  • Use on Walls: No
  • See Product Data Sheet for more information.

Features:

  • Reduces vibrations as low as 5 hz.
  • Can add up to 5 IIC points over installations using standard RSIC clips. 
  • Engineered for full 1" spring deflection.
  • Can be used alone or in combination with RSIC-1 or RSIC-CRC clips.

Materials: 1/4 x 20 threaded rod which allows for several mounting systems. Rubber bushings dampen the spring for highest acoustical performance.

Installation: Product comes fully assembled and pre-calibrated for ease of installation. See Installation Tab above for additional information.

Product Data

Printable Documents:

Click to print Product Specs for RSIC-SI-CRC Spring Isolator Clip.

Click to print Product Testing for RSIC-SI-CRC Spring Isolator Clip.

How it Works:

RSIC Clips are used in the process of decoupling walls and/or ceilings from the joists or studs, creating what is called a floating wall or ceiling. Decoupling the wall or ceiling helps create a soundproof environment in two ways, by breaking the path and creating resiliency. The RSIC-SI-CRC clips combine a CRC clip with a rubber bushing encased spring to maximize acoustical performance. 

In wall assemblies, the Clips are generally spaced every 48” OC, making the contact between the studs and boards minimal. This break in the path greatly reduces the amount of noise that travels from one side to the other in two ways. Firstly, there is no direct connection for sound to travel via the joists as the wall/ceiling is disconnected. Secondly, the wall and ceiling are given resiliency (flexibility), thus greatly reducing vibration (similar to shock springs on a car).

Dimensions:

RSIC-SI-CRC Dimensions    RSIC-SI-CRC Dimensions

Product Specifications:

RSIC-SI-CRC Product Specs

Product Testing:

Below are IIC and STC ratings obtained in an installation using RSIC-SI-CRC Clips on a concrete ceiling application. 

RSIC-SI-CRC Testing  RSIC-SI-CRC Testing

Sample Applications:

Can be used in conjunction with RSIC-CRC Clips and RSIC-1 Clips.

RSIC-SI-CRC Sample Applications with RSIC-CRC Clip

Installation Guide

Click to view and print RSIC-SI-CRC Installation Instructions.

Sample Layouts:

RSIC-SI-CRC Sample Layout

RSIC-SI-CRC Sample Layout

RSIC-SI-CRC Installation

Shipping & Returns

Shipping and Return information is specific to this product page only (not for other products on our site).

  • Shipping:
    • Orders will be processed only via Shop Drawings
    • FREE SHIPPING on orders over $300.00.
    • There will be a $19.99 shipping and handling flat fee on orders under $300.00 - Applies to orders shipped in the USA (Excluding Alaska and Hawii).
    • Ships FedEx Ground.
    • Overnight and Express Shipping is available, please contact us at 845-388-1200.
    • Shipping time varies, see Shipping Information page.
       
  • Returns:
    • Product can be returned up to 60 days if in brand new condition.
    • A $19.99 fee will be charged to cover our original shipping cost.
    • Please call or email us to receive an RMA number before returning. No returns will be processed without an RMA number.
    • Return shipping is customer's responsibility. Return address will be provided once return is approved.
    • If you are shipping via USPS (not recommended) do NOT require signature as we will not be able to pick up your package from local post office facility.

 

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As a contractor Trademark is my go to Soundproofing Company on every project I do. I have not found anyone else that comes close to their knowledge (and every project different twist and turns). Add to that their amazing customer service and huge stock of material and that is the reason I won't go anywhere else. Thank you Trademark!
Levi Studio
Aug 27, 2025
The Web site was very easy to navigate to find the right product you are looking for! Communication is fantastic with emails on when you item will arrive, The item that I purchased worked like a charm and looks great on the doors. Super Service
Kevin Geraldo
Jun 17, 2022
Premium carpet underlayment - a wonderful solution to second floor noise and footfall dampening in a home with open beam first floor ceiling treatment. Elie was so helpful in educating us on the right product - and lead time and delivery were as promised, in a year when nothing else was!

Great company and product!
Lisa Rogers
Nov 29, 2021
Great responsiveness when there was a problem with shipping being just by carrier. They took care of it and I received my shipment quickly after asking for their help. Highly impressed
Jeffrey S Standridge
Nov 4, 2021
I was at my wit's end! 15 years of barking dogs, and calling animal control. This was my last desperate resort.
Even though they were pricey, I had to try them.
I am so happy!!!
They didn't completely block out the low frequent bass and truck engines, but NO BARKING!
I can sit in my little library, and lose myself in another world, without the constant nagging barking of my neighbor's dogs. (It never stops when she's not home, which is all day every day.)
L Strawser
Apr 30, 2021
I purchased three times a very good customer service the person name Elie helped me with my order and I will buy again
Ángel pinos
Jul 12, 2020
I purchased the electrical outlet soundproof seals, and they are extremely effective! I was doubtful when I purchased, but it does make a huge difference. THANK YOU!
Dayna
Feb 28, 2020
Amazing customer service and the best price! There are very few companies that can compare with this kind of service! A+!
John Caruso
Jun 21, 2019
Their products work great and they have great service
I Highly recommend them
ANGELO CITRO
Feb 25, 2019
Have ordered half a dozen times from Trademark Soundproofing with nothing but positive results. Their product performs as promised and their customer service has been excellent. They have accommodated my needs beyond expectations. had one issue with an order that was delivered slightly different than ordered. Trademark shipped out the missing product quickly without cost or questions. Highly recommended.
Ronald L
Apr 14, 2015