Data Sheet Data Sheet for AlphaSorb® FR701 Acoustic Panels
Color Chart Color Chart for Guilford of Maine FR701 Acoustic Fabric
Installation Guide Installation Guide for Fabric Wrapped Panels
Specifications Specifications for AlphaSorb® FR701 Acoustic Panel
Cleaning Guide Cleaning Instructions for Guilford of Maine Acoustic Fabrics
CAD Drawings CAD Drawings for AlphaSorb® Acoustic Panels
LEED Statement LEED Statement for AlphaSorb® Acoustic Panels
  1. Are the AlphaSorb® Acoustic Panels available in custom sizes, shapes and colors?
  2. Yes, of course! These fabric wrapped panels are available in custom sizes up to four foot by ten foot (4’x10′). They can be cut to fit angled ceilings or create custom designs. Additionally, a full selection of Guilford of Maine fabrics is available to accommodate any range of design requirements. Over the years, many other fabrics have been applied to our panels to satisfy construction project specifications by designers and architects. If your project scope requires something beyond that of a standard panel, we can custom tailor our acoustical panels to meet your needs.

    If you require a custom panel configuration, please Contact Us via our contact form or call us with your request.


  3. How do I get an estimate for my custom project?
  4. Contact Us via our contact form or call us with your request. If you need a quotation, please provide the following information:

    1. A list of Quantities & Sizes required.
    2. Fabric color selection, if known.
    3. Edge design if other than square. Please also specify if you want them natural or resin hardened (provides edge protection).
    4. Mounting Hardware. Impaling clips are included in the price. If using Z-clips, please specify the width and height of the panel. This is important for hardware orientation.
    5. Shipping address (Let us know if this is a commercial or residential address).
  5. How do I request a sample of this material?
  6. Samples of the AlphaSorb® Acoustical Wall Panels are available upon request and are free of charge.

    Contact Us via our contact form or call us with your request.

  7. How is my order shipped?
  8. Typically, each order is packed on a skid and shipped via LTL (less than truck load) freight truck. If your facility is unable to accept freight shipments, you may wish to consider ordering panels sizes that are 2’x4′ or smaller. Depending on the order size, these can often ship by a parcel service like UPS or FedEx.

    When requesting a quotation for panels, please let us know if the shipping location is commercial or residential and if you will need any special freight services like a lift gate or delivery appointment.

  9. Are these panels available from stock?
  10. Our AlphaSorb® Fabric Wrapped Panels are custom and made to order with your choice of color, edge design, size and mounting hardware.

  11. How do I determine the quantity of material needed for my project?
  12. Please Contact Us and provide us with your project details. We will need to know the type of application, room dimensions (Length x Width x Height) and some photos of the room.

AlphaSorb® FR701 Acoustic Panel

(101 customer reviews)


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Our AlphaSorb® FR701 Acoustic Panel answers your acoustical and aesthetic needs with their strong sound absorbing performance, durability and elegant appearance. These panels are used for sound reduction and reverberation control. Available in a wide variety of sizes, thickness and colors. AlphaSorb® Wall Panels allow you to create an effective sound control treatment that is distinctly appropriate for your environment.

These fabric wrapped sound panels come in standard or custom sizes, up to 4′ x 10′ in 1″ or 2″ thicknesses. Standard color options are the entire Guilford fabric FR701 Style 2100 series line. Designer selected fabric wrapped sound panels are available upon request. The AlphaSorb® FR701 Acoustic Panel is Class 1 fire-rated and offers various edge details as well as installation options.

In this same series, our AlphaSorb® QS Acoustic Panel and our AlphaSorb® QS Acoustic Ceiling Cloud are available in nominal sizes, ten color choices and ship in 2-3 business days.

Note: While we make every attempt to accurately display fabrics, colors may vary depending on your screen settings. Before ordering, please request a fabric sample to ensure color and texture. Colors may vary between dye lots.


Houses of Worship, Teleconferencing and Videoconferencing Rooms, Broadcast and Recording Studios, Multi-Purpose Rooms, Home Theaters and Auditoriums.


  • Elegant aesthetic
  • Variety of sizes and colors
  • Reduce reverberation and echo
  • Improves speech intelligibility

Technical Information for AlphaSorb® Acoustic Panel:

  • Sizes: Choose from standard or custom sizes up to 4′ x 10′
  • Thickness: 1″ & 2″ (Standard) | 1/2″ up to 4″ available (custom priced)
  • Tolerance: +/- 1/8″
  • Intended Use: Sound absorbing wall panels for interior spaces to reduce echo and reverberation
  • Fire Rating:
    • Class 1 or A per ASTM E84
    • Canadian Compliance per CAN/ULC-S102-18
  • Density: 6-7 pound per cubic foot acoustical fiberglass substrate
  • Fabric Finish: Guilford of Maine FR701 Style 2100 (other fabrics available as specified)
  • Edge Detail: Options for Square, Bevel, Radius, or Mitered Edge
  • Edge Construction: Natural or Chemically Hardened (Hardened edges provide additional edge protection and a crisper edge appearance.)
  • Mounting options for walls: Impaling clips (Default), Mechanical Z-clips, Rotofast Direct Mount Anchors (drywall only)
  • NRC: 1″ (0.85) 2″ (1.15)
Sound Absorption (Hz)


For more information on our AlphaSorb® FR701 Acoustic Panel,
call us at 800.782.5742 or contact our sales department.

Customer Reviews