48 Pack of (12 x 12 x 1)Inch Acoustical Wedge Foam Panel for Soundproofing Studio & Home Theater (Charcoal) 48 Pack of (12 x 12 x 1) Inch Acoustical Wedge Foam SPECIFICATIONS: Quantity = 48 Pack of Wedge Acoustic Foam; Panel Size = (12 x 12) Inches; Panel Thickness = 1 Inch; Available Colors = Charcoal, Red, Orange, Rosy Beige, Brown, Burgundy, Blue, Purple, Plum, Teal, Kelly Green, and Forest Green; Overall NRC: 0.40 For basic soundproofing, 1 inch wedge foam provides moderate sound control on walls or ceilings. This product is best for when absolute sound deadening is not required, but moderate deadening is desired. 1 inch wedge foam is most effective on mid-to-high frequency ranges. Flammability Test Results: Class A; 25 Flame Spread Index; 250 Smoke Spread Index FREE SHIPPING: Please allow 5 to 7 business day for tracking to update. Our Acoustical foam products are cut and packaged at the time of order in order to provide a top quality product. Acoustical foam that is packaged for long periods can become deformed over time.