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

Polyurethane Foam Composite Sound Containment System

• Sound Absorber

• Noise Barrier

• Optimal Noise Containment

• Decoupler Isolates Vibration

Material:

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

Pattern:

Flat Surface

Application:

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.

Thickness:

1 1/4"

Sizes:

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

Colors:

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

Flammability:

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

Installation:

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.

Elongation:

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

Warning:

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