To prevent you from being disturbed by the noise in the next room, whether the room is upstairs or in line, the construction has to prevent sound from being transmitted. This doesn’t have to be a massive concrete slab or wall. Soundproofing relates to the overall ability of a building element or building structure to reduce the sound transmission through it. Our sound absorbing insulation is good in stickness, easy to install, neat appearance of outer tube. The material has a smooth surface with high elasticity, soft texture, and a better anti-resonance effect.Yes, insulation helps reduce noise both from outside and between different levels and rooms inside your home. In fact, if outside noises seem louder than they should be, it may be a sign you don't have enough insulation. ... Loose-fill cellulose and fiberglass insulation are the best types of insulation for sound control.Kingwell World Industries, Inc. (KWI) is a global enterprise with core competencies in the field of thermal insulation. Our products and services are engineered to make people's life more comfortable and business more profitable by conserving energies. At the same time we want to create value through innovation, growth and social responsibilities.Q1: are you a manufacturer or a trading company？ A1: we are a manufacturer founded in 1979, located in Dacheng, Langfang city China. Q2: can you accept neutral packing & OEM? A1: Normally, our packing is carton with Kingflex Logo, but we can accept the neutral packing and OEM. Q3: Can you provide the sample for free? A3: We provide some samples for free.