AlphaSorb® Whisper Ceiling Cloud


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Return Policy: This product is non-returnable

Estimated Shipping Lead Time: varies by color;
2 weeks for these colors: Ambience, Cloud, Dim, Hush, Mellow, Mystery, Quiet, Placid, Secret, Shadow, Silence, Spirit, Stillness, Tranquility, Zen;
4-6 weeks for other colors

Our AlphaSorb® Whisper Ceiling Cloud is a sound absorbing ceiling treatment with a pleasurable pallet of tranquil and saturated fabric color tones. These suspended ceiling clouds will absorb echo and reverberation to the room acoustics of your interior space.

Available in a wide variety of sizes and colors, AlphaSorb® ceiling clouds allow you to create an effective sound control treatment that is distinct. These hanging clouds come in standard or custom sizes, up to 4′ x 10′ in 1″ or 2″ thicknesses.

Ceiling Clouds may be used in conjunction with our AlphaSorb® QS PanelsAlphaSorb® Acoustic Panel Room Kit, AlphaSorb® Pro Acoustic Panel Room KitAlphaSorb® QS Bass Traps or AlphaSorb® Acoustic Panels.


  • All of our AlphaSorb® Whisper ceiling clouds are made to order and require some time to manufacture.
  • If you need a quicker solution, you may be interested in the nominal-sized AlphaSorb® QS Acoustic Ceiling Cloud. They are available in ten standard colors and will ship within 2-3 days.
  • While we make every attempt to accurately display fabrics, colors may vary depending on your screen settings. Before ordering, you may request a fabric sample to ensure color and texture. Colors may vary between dye lots.
  • The fabric used is directional meaning it has visible pattern directionality. Fabric directionality must be considered when determining fabric wrapped acoustical product orientation to maintain a consistent pattern flow. If you need help with design and orientation, please call one of our sales consultants at 800-782-5742.

Technical Information for AlphaSorb® Whisper Ceiling Cloud:

  • Sizes: Up to 4′ x 10′
  • Thickness: 1″ & 2″
  • Tolerance: +/- 1/8″
  • Intended Use: Interior, sound absorption suspended from the ceiling
  • Fire Rating: Class 1 or A per ASTM E84
  • Density: 6-7 pound per cubic foot acoustical fiberglass substrate
  • Fabric Finish: Guilford of Maine Whisper
  • Edge Detail: Options for Square, Bevel, or Mitered Edge; Radius Edge Available Upon Request, call us at (800) 782-5742 for more information
  • Edge Construction: Natural or Chemically Hardened (Hardened edges provide additional edge protection and a crisper edge appearance.)
  • Mounting:
    • Rotofast Cloud Anchors or as specified
    • Appropriate ceiling anchors to be  supplied by installer
  • NRC: 1″ (0.85) 2″ (1.10)
Sound Absorption (Hz)
Thickness 125 250 500 1000 2000 4000 NRC
1″ 0.08 0.30 0.81 1.08 1.18 1.07 0.85
2″ 0.44 0.79 1.20 1.22 1.19 1.13 1.10

prop 65 warning icon WARNING: This product can expose you to chemicals including formaldehyde and antimony trioxide, which are known to the State of California to cause cancer. For more information go to

For more information on our AlphaSorb® Whisper Ceiling Cloud,
call us at 800.782.5742 or contact our sales department.