Armstrong 3251 Ceiling Tile

Nrc noise reduction coefficient is a standard measurement for a material s acoustical absorption ranging from 0 00 no absorption to 1 00 total absorption. 47 719 in x 23 719 in fine fissured contractor 8 pack white fissured 15 16 in drop acoustic panel ceiling tiles item 336654 model 922a. You can also select your preferred tile edge.

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