Engineered Acoustical Treatment Combining Functionality and Sleek Aesthetics

Eckel Flat Functional Panels (FFP) are engineered to provide maximum sound control. They offer a simple and aesthetically pleasing method of efficiently reducing reverberation levels and background noise in commercial, office, retail, and institutional environments.

Due to the FFPs exceptional sound absorption properties and special design features, only a percentage of a room’s wall and ceiling surfaces need effective noise treatment.

FFPs operate as an adaptive functional panel system. The independent panels can be installed and treated in various distinctive patterns and arrangements to compliment interior design. The functional approach allows facilities to be acoustically upgraded without relocating utilities that are already in place, making FFPs excellent for renovation projects as well as new construction.

Attractive Panel Facings

Developed to solve the noise control requirements of restaurants, offices, studios,  theaters, music practice rooms, etc., while providing a clean, classic, cloth appearance. FFPs are fabricated from durable zinc coated steel and are finely perforated.

Outstanding Performance

The 2" thick, fine fiberglass offers superb sound absorption/noise control capabilities and has been tested for fire safety per ASTM-E84.

The number of panels required is determined by dividing the amount of additional absorption required by the sabines per panel at 500 Hz.

The graph to the right shows ranges of acceptable reverberation times at 500Hz. The lower portion of the band is most suitable for rooms intended primarily for speech, while the upper portion is better for music rooms. For general purpose rooms, a reverberation time in the middle portion of the band is recommended. For some more background information about reverberation,
go to the [Reverberation Page].


FFPs can be mounted directly to the surface, or for better performance they can be mounted with a 4" air space that separates the FFP and mounting surface. The graph on the right illustrates the difference in performance between the two mounting options.

Mounting Detail Drawings