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Noise S.T.O.P. Barrier/Absorber Polyurethane Composite

Polyurethane Foam Composite Sound Containment System

Polyurethane Composite Noise Barrier
  • Sound Absorber

  • Noise Barrier

  • Optimal Noise Containment

  • Decoupler Isolates Vibration


Polyurethane Acoustical Foam Bonded to 1lb. – sw. ft. mass loaded Vinyl Noise Barrier with Polyurethane Foam Vibration Decoupler


Flat Surface


Ideally suited to line equipment enclosures. Commonly used to line walls and ceilings of utility or mechanical rooms to absorb and contain the noise source. Use where sound absorption, noise reduction and vibration control are needed.


1 1/4"


24" x 48", 48" x 48"; Special Sizes Available Upon Request


Charcoal (unfaced) Aluminized Mylar, Black or Grey Tuftane, Tedlar


UL-94/HFI  – Pass. ASTM E84 – Unrated.


ASI S.T.O.P. Noise Acoustical Adhesive or Pressure Sensitive Adhesive Backing. Use Mechanical Attachment for overhead Installations.

Facing Options:

Black Tuftane, Aluminized Mylar, Paint available upon request. PSA Adhesive back available.


ASTM-D-412-DIE C = 325% Tensile Strength: ASTM-D412-DIC C = 358.2lbs. psf.

Sound Absorption Coefficients – Type B MTG – ASTM C423-90a
  125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
Foam S.T.O.P. Polyurethane Composite 0.13 0.60 0.81 0.97 1.00 0.90 0.85

Sound Transmission Data – ASTM E90-75 and ASTM E413-73
  125Hz 250Hz 500Hz 1KHz 2KHz 4KHz STC
Foam S.T.O.P. Polyurethane Composite 17 22 20 32 31 43 28


Polyurethane Foam is Flammable. Flame Spread > 400; Smoke Developed: > 480 ASTM E84