The RHC/RHDC Series neoprene isolation hangers offer a cost effective solution for the isolation of suspended ceilings. This series is designed to solve high frequency attenuation problems in a protected space or radiating from that space to surrounding locations. These isolators are ideal for applications that do not have space constraints or require the isolation hanger to support other services.  

The RHC/RHDC Series offer standard eyelets top and bottom for ease of installation. The ceilings are supported from neoprene vibration hangers consisting of a steel box with an internal neoprene element designed for 0.25" to 0.40" of static deflection. The elements are molded with an integral bushing to prevent lower support attachment from coming in contact with the isolator housing.

Features & Benefits

  • Integral bushing molded to the isolation element prevents upper support attachment contact with the isolator housing
  • Steel housing provides durability and stability
  • Upper and lower eyelets accept wire or rod attachment for ease of installation
  • Color-striped units provide easy identification for installation and inspection


  • Commercial utility and HVAC space
  • Performing arts centers
  • Computer operation rooms
  • Entertainment, social event spaces and health clubs
  • Transportation depots
  • Hospitals and research facilities
  • Office and residential complexes


Spec Sheets

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The engineers we employ hold the highest industry-recognized credentials in structural analysis, elastomer development and system dynamics.


We are the first ISO accredited PCA ISO-17065, third-party certification body for special seismic certification of non-structural building components and their mounting configurations by the ICC’s International Accreditation Service.

Test & Measurement

We are the only ISO 17025:2005 Accredited Seismic Simulation Test Laboratory with a triaxial shake table owned and operated by California licensed Structural engineers.

Testing Services Update
DCL now offers Nuclear Qualification and Testing services.

In partnership with Greenberry Industrial, we now offer testing services that meet the requirements of ASME NQA-1.

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