Corner Mounted Profiled Acoustical Foam
A The Corner Mounted Profiled Acoustical Foam shall be the model ProCorner™ as manufactured by RPG® Diffusor Systems, Inc., Upper Marlboro, MD 20774. Tel: 301-249-0044, Fax: 301-249-3912.
B The Corner Mounted Profiled Acoustical Foam shall be fabricated as specified from either Melaflex™ or Polyflex™.
C The Corner Mounted Profiled Acoustical Foam shall contain a plurality of rounded arcs to provide a decorative architectural surface topology and integrate with ProFoam™.
D Absorption Coefficients and Noise Reduction Coefficient for the product shall be measured by an independent, accredited NVLAP facility according to the test methods as defined by ASTM C 423 and ASTM E 795. Random incidence Absorption Coefficients for the product in a Type A mounting shall be as follows:
| 125Hz | 250Hz | 500Hz | 1000Hz | 2000Hz | 4000Hz | NRC |
| 1.17 | 1.09 | 0.94 | 0.93 | 0.95 | 0.98 | 1.00 |
E The Melaflex™ Corner Mounted Profiled Acoustical Foam is fabricated from non-fibrous, fire resistant, open cell, lightweight (0.6lb.3) BASF melamine foam. It is in full compliance with all National Life Safety Codes for Class A interior use. Melaflex™ has a flame spread of 10 and a smoke development rating of 50 as per ASTM E-84 testing standards. The Polyflex™ Corner Mounted Profiled Acoustical Foam is fabricated from a UL94 2lb.3 polyester urethane which should only be used in Class B or C spaces.
F The Melaflex™ Corner Mounted Profiled Acoustical Foam shall be supplied in a white, white flec, or gray flec finish as specified. The Polyflex™ Corner Mounted Profiled Acoustical Foam shall be supplied in a purple, blue, or charcoal gray finish as specified.
G The overall dimensions shall be 4'(H) x 1' 1-7/16"(W) x 6-5/16"(D). Unit Weight shall be 3-1/2lbs.
CSI Specifications
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2000, RPG Diffusor Systems, Inc. |