Q: Will I lose the sound absorption if I repaint the ceiling?

A: When painting acoustical materials, the painter should be very careful that he does not close up the acoustical surfaces; perforations, fissures or the DuraBrite acoustical membrane on the Ultima and Optima products. It is through these openings in the surface that sound waves enter the body of the acoustical material and are absorbed. Care should be taken that these perforations are not clogged. At minimum repainting will result in a .05 to .10 reduction in NRC.

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