FeaturesDue to its peak height and surface area, 3-1/2 inch eggcrate has the best diffusion ability of the acoustical eggcrate foams. This characteristic makes it a fantastic all-around sound-treatment product, appropriate for use in any size room or space. It also works well when covered with acoustical cloth.
DetailsFlammability Test Results:
25 Flame Spread Index
250 Smoke Spread Index