Goodly Acoustic Mat FLEXIBLE NOISE BARRIER is specially manufactured to block noise from environments. Our products prevent noise transmission through wall, ceiling or floor without increasing heavy depth. Speech intelligibility is greatly improved and electronic sound reinforcement system can perform correctly. The internal structures consist of metallic cellular complex of flexible web which specially designed to block noise transmissions, the properties of materials is flexible and easy to cut the sizes with regular tool. 1.2mm thickness can be achieved STC 21 rating. Outstanding performance in noise control is your best choice.