The present disclosure relates to methods of manufacturing an acoustic absorption system. The acoustic absorption system can include a curtain that includes one or more insulating or acoustic absorption sheets. The manufacturing method uses press welding to seal the insulating sheets between a first layer of material and a second layer of material. Each insulating sheets is disposed within a corresponding compartment of the acoustic absorption system and an entire perimeter of each compartment can be sealed simultaneously, wherein the seals form a plurality of panels.