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 (0.6lb³) 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 2lb³ 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

Last Updated: 1.1.99 
 
 

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