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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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INCREASED ACOUSTICAL PERFORMANCE

59 STC / 54 IIC / 57 HIIC

Unlike many of our competitor’s products, the new R1 was tested using standard 18″ truss joist assemblies spaced 24″ o.c, with standard single layer batt insulation. We even used a standard, unbacked 2.5mm glue-down vinyl plank when testing. Specifying the new Treadstone  R1 requires no changes to your plans to achieve the specification listed. Full sound test data is available by contacting Formulated Materials.
  Assembly Treadstone Underlayment Depth Finished Floor Covering STC IIC HIIC
18” Truss Joist, 24” O.C, T&G Deck, Single Layer Batt Insulation, RC-1, 5/8” Ceiling Board 3/4″ LVT 59 53 57
Tile 54 62
Wood Laminate 54 55
1″ LVT 59 54 57
Tile 54 62
Wood Laminate 55 57

Q-SEAM TECHNOLOGY

The New R1 utilizes our new Q-Seam Technology. This advancement provides a robust and monolithic foundation for the underlayment and ensures proper installation. Underlayments are typically installed with seams abutted and taped together, but this method often leads to small gaps being left after taping. These unsupported gaps will push down as the underlayment is applied, providing a point of direct contact between the underlayment and the sub-floor assembly. These valleys destroy acoustical performance and can lead to premature floor failure. The New R1’s innovative Q- Seam Technology addresses this issue by ensuring each seam is tightly overlapped and fastened during installation.

8-10x STRONGER THAN COMMONLY SPECIFIED MATS

THE NEW R1 DEFLECTS .07″ AT 10,019SPF 
(When tested per ASTM D1261).

Loading the floor to the point where this compression is possible will most likely cause more damage to the subassemblies than the underlayment itself. The building may well come down before the underlayment moves. Unlike typical monofilament mats, The New R1’s rigid structure also resists localized compression under the weight of small point loads. This compression reduces the dead air required for proper sound attenuation and increases contact surface area between the mat and the floor, resulting in a reduction in acoustical performance. The new R1 easily supports these loads from common items like loaded cabinets, refrigerators, washers, and other heavy appliances and furniture, ensuring that they will not impact acoustical performance.