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QFA Absorptive Exterior Grade Acoustic Curtains

QFA Absorptive Exterior Grade Acoustic Curtains by Acoustical Surfaces

QFA-2″ Quilted Fiberglass Absorbers

FoQFA-2″ consists of a durable indoor/outdoor rated facing quilted
to both sides of a 2″ thick fiberglass batting. Available in bound
or unbound rolls, standard panels or even custom panel sizes. Add
some color to your manufacturing and outdoor spaces with Vivid.

  • Excellent acoustical performance
  • Custom sizing
  • Easy to install
  • 1” or 2″ Thick Fiberglass Core
  • NRC Rating .75

Exterior Grade Quilted Fiberglass Absorbers reduce the reflection of sound waves by covering reflective surfaces with a suitably UV-protected, porous, sound-absorbing product. The exterior Quilted Fiberglass Absorber consists of a heavy-duty vinyl-coated polyester facing on both sides of a 1” or 2″ thick quilted fiberglass. The outdoor sound barrier curtains are constructed with grommets across the top and bottom and are sewn with an exterior grade thread.


Product Testing & Information

  • Product Specifications
  • CSI Specifications
  • Installation Instructions
  • Test Results
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QFA Absorptive Exterior Grade Curtain Images

QFA Absorptive Exterior Grade Curtain QFA Absorptive Exterior Grade Curtain QFA Absorptive Exterior Grade Curtain

Product Specs


Fiberglass core with facings noted below


Quilted Diamond Pattern


Effective, Durable, UV Resistant, Weather Resistant, Sound Absorbing


Exterior Grade faced quilted fiberglass absorbers are used to reduce reverberant noise on permanent outdoor applications such as enclosing HVAC equipment, dust collectors or similar machinery behind a manufacturing plant where UV resistance is required. The sound reducing curtains are commonly installed over wood fencing or on brick or masonry walls of buildings adjacent to a job site or a noisy piece of machinery.


Nominal 1”, 2”


QFA-EXT-S: 1” thick fiberglass – EGV front/NPS back facings
QFA-EXT-D: 1” thick fiberglass – EGV on both sides
QFA-EXT-S-2: 2” thick fiberglass – EGV front/NPS back facings
QFA-EXT-D-2: 2” thick fiberglass – EGV on both sides

NOTE: For high-temperature conditions, a silicon impregnated vinyl is available. Please call a sales associate or email us at [email protected] for more information.


Exterior Grade Vinyl – EGV
Nonwoven Porous Scrim - NPS

Temperature Range

-40°F to +180°F

Roll Size

48″ Wide × 25′ Long


0.50 lb psf


Gray, Tan, Black, Beige


Grommet Hangers

Absorptive Exterior Curtain – Sound Absorption Performance – ASTM C 423
2″ Absorptive Exterior Curtain.


Absorptive Exterior Curtain – Sound Transmission Loss – ASTM E-90 & E 413
2″ Absorptive Exterior Curtain9141921273421


1/3 Octave Sound Absorption Coefficients at the Octave Band Frequencies
2″ Thickness0.130.840.920.650.450.300.70