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Joist Isolators

If you are designing a floating floor for a theater or recording studio, Rubber Joist Isolators are an affordable and effective way to decouple and soundproof your floors. Simply slip over standard lumber to achieve decoupled framing and improved soundproofing ratings (STC).

Rubber Joist Isolators are an affordable and effective way to decouple walls and ceilings. Simply attach to studs and continue construction and experience improved performance with any construction method.

  • Compact
  • Easy to install
  • Budget-friendly

Rubber Joist Isolators Installation:

Used with standard 2x4 or 2x6 framing. Friction fit over joist faces - install new floor joists 16 o.c, spacing the Joist Isolators ever 12" to 24" along the joist.

Rubber Joist Isolators Specifications:

  • Material: extruded rubber
  • Applications: floor and ceiling wood beam isolators, wood stud isolation
  • Thickness: 2 1/8" wide x 1 5/16" high x 1 31/32" long
  • Carton size: 25 or 100 pieces
  • Color: Black

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The Soundproofing Company wants to make sure your job is done right the first time; that's why it's so important that we talk before you purchase anything. These consultations are part of our service and are offered at no cost to you.

We have the lab reports, materials, diagrams, SIMS (Soundproofing Installation Manuals) and experience and you need.


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SINCE 1999 - The Soundproofing Company has over two decades of experience with soundproofing.


FREE CONSULTATION - Buy soundproofing products with confidence. We know what works and the myths you should avoid.


CALL ANY TIME- Full phone support throughout the construction phase of your soundproofing project.



FULLY ILLUSTRATED MANUALS with material purchase (SIM). Detailed guides to give to your contractor.


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