Sound Absorption Baffles & Wall Panels

dB Engineering offers a number of sound absorbing baffles and wall panels designed for a variety of applications.

dB Engineering’s Quilted Fiberglass line of Overhead Baffles & Wall Mounted Sound Absorption Panels feature a durable vinyl-coated-fiberglass-cloth facing quilted to a one-inch or two-inch thick fiberglass.   These Class A Flammability Rated baffles, offering high NRC ratings, are available in a number of colors and stitch patterns and can be custom fabricated to any size required.

dB Engineering’s QFA Baffles are also available with either a decorative fabric facing or a nylon ripstop facing.  These attractive sound absorbers offer a wide range of colorful options which can be custom tailored for any commercial or architectural application.

Physical Properties

  • Gray, tam, white, or black are standard vinyl-coated-fiberglass-cloth facings.
  • Meets Class A Flammability Ratings (ASTM E-84) Flame Spread: 17.66 Smoke Density: 22.75
  • Brass grommets installed for hanging
  • Continuous service temp.: 20oF to 180oF
  • 2 lb./cu. ft. density fiberglass
  • Decorative fabric and nylon ripstop facings available in over 60 colors
  • Quilted diamond patterns or straight-stitch patterns available.
  • Custom sizes available

Acoustical Data

  • Quilted Fiberglass Styles,
    QFA-4 Baffles: 2′ x 4′ x 1″ thick (nom)
    QFA-10 Baffles: 2′ x 4′ x 2″ thick (nom)

Features

  • Durable Quilted Fiberglass style
  • Economic Polywrapped style
  • FDA approved Sanitary Baffle style
  • Introduce soft, sound absorption materials into hard reflective environments
  • Effective, economic method of reducing reverberation
  • Sound absorption ratings up to NRC 1.05
  • Ambient noise reduction up to 10 decibels
  • Light weight and self-supporting with no sharp corners
  • May be installed by in-house personnel
  • Easily relocated to other areas
  • Optional white color reflects light to working area and increases ambient lighting
  • Requires no maintenance, but can be washed or steam cleaned for hygienic or aesthetic reasons
  • Can be custom tailored for specific applications
  • Class A Flammability Rating per ASTM E-84

Applications

  • Industrial facilities
  • Warehouses
  • Gymnasiums
  • Swimming pools
  • Auditoriums
  • Sports arenas
  • Meat, poultry, food processing plants
  • Pharmaceutical facilities
  • Clean rooms
  • Bottling plants, canneries, breweries
  • Cafeterias

Absorbers

Composites

Enclosures

Specialty Products

Acoustical Data

  • Quilted Fiberglass Styles,
    QFA-4 Baffles: 2′ x 4′ x 1″ thick (nom)
    QFA-10 Baffles: 2′ x 4′ x 2″ thick (nom)

Sound Absorption Coefficients-Sabins Per Baffle:

One-Third Octave Band Center Frequency (Hz)
Style 125 250 500 1000 2000 4000 NRC
QFA-4 .59 2.43 7.17 8.66 8.82 6.71 6.75
QFA-10 .91 6.07 8.25 8.88 6.65 5.58 7.45
Test method: ASTM C423-81

dB Engineering’s Sanitary Overhead Baffles & Wall Mounted Sound Absorption panels are an effective, economic method of reducing reverberant noise in areas where sanitary conditions and USDA or FDA approved products are mandatory.   dB Engineering uses the latest in film technology to create economic products that are durable, chemically resistant, dimensionally stable and virtually rip-proof..

These Sanitary Ceilings Baffles and Wall Panels are tough enough to be washed down and maintain high NRC sound absorption values.  The also are durable enough to be used in difficult environments, such as swimming pools.

Physical Properties

  • FDA Approved, USDA listed
  • Washable
  • Temperature Range: -40oF to 200oF
  • Rip resistant facing
  • Dimensionally stable
  • Stain Resistant
  • Meets health and sanitary standards
  • Water tight seal on all edges
  • Light reflective white facing
  • Custom sizes available

Acoustical Data

  • Sanitary Baffle,
    Type “A”: 2′ x 4′ x 1 1/2″ thick
    Type “B”: 2′ x 4′ x 2″ thick

Sound Absorption Coefficients-Sabins Per Baffle:

One-Third Octave Band Center Frequency (Hz)
Baffle 125 250 500 1000 2000 4000 NRC
Type A 1.15 5.26 8.0 10.9 9.34 5.5 8.4
Type B 1.00 8.09 14.65 15.72 12.68 4.93 12.8
Test method: ASTM C423-90a and C423-81

In addition to reducing reverberant noise, the durable, chemical resistant and water-tight construction of Sanitary Baffles makes them suitable in difficult environments such as in this swimming pool.

dB Engineering’s Polywrapped Baffles are a heat-sealed polyethylene bag encompassing a sound absorptive fiberglass fill.   Standard size is 2′ x 4′ x 1 1/2″ thick.  Grommets are installed for suspending from wire or cable ties.  White or black facings are standard.  These efficient, economic baffles offer a high NRC rating at an extremely low cost.

Physical Properties

  • Class A Flammability Rating (ASTM E-84)
    Flame Spread: 8
    Smoke Density: 0
  • 1.6 lb/cu.ft. density, 1 1/2″ thick fiberglass core
  • Light Weight (2 lbs. each)
  • Light reflective white poly facing
  • Alternate black poly facing
  • Standard baffle has two grommets on one 4′ side
  • Optional spacing or additional brass grommets available

Acoustical Data

  • Polywrapped Baffle
    2′ x 4′ x 1 1/2″ thick

Sound Absorption Coefficients-Sabins Per Baffle:

One-Third Octave Band Center Frequency (Hz)
Style 125 250 500 1000 2000 4000 NRC
Poly 2.1 6.5 10.7 14.1 12.7 8.1 11.0
Test method: ASTM C423-90a and C423-81

More than 600 Polywrapped Ceiling Baffles reduced overall noise levels by 8 dB(A) in this wood working facility.

Table showing how the human ear perceives noise reduction.
Decibel Reduction Reduction Experienced by Ear
2 15%
4 23%
6 38%
8 48%
10 56%
12 63%
14 68%
16 75%
18 77%
20 81%