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Acoustical Underlayments


Treadstone Launches New Elite Duo Sound Attenuation System

The Treadstone Elite Duo acoustical system delivers an astounding 61 STC/55 IIC in a system with an unparalleled thickness of just over 1”.

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Cylindrical studded membrane made of a mix of UV stabilized recycled polyolephines, laminated to a polypropylene fabric. The rigid studded technology delivers superior durability and compression resistance equaling unmatched long-term acoustical performance.


  • With 1” of Treadstone Underlayment, the system can reduce impact noise (IIC) up to 12db in wood framed assemblies.
  • Polypropylene barrier fabric
  • 1/8” thick, total system thickness as thin as 1 1/8”
  • Industry leading compression resistance
  • UL listed in over 100 floor ceiling designs
  • Installed by a network of technically trained licensed dealers


Roll, 282sf per roll, 12 rolls per pallet