Acoustic floor underlay system
Abstract:
A flooring assembly comprising at least one first lofted lapped or airlaid bulk absorber layer 14 for acoustic absorption and compression resistance; at least one impedance layer 16 for one or more of acoustic impedance, compression resistance, and stiffness; at least one second lofted lapped airlaid bulk absorber layer 18 for acoustic absorption and compression resistance; and one or more optional densified fibrous air-flow resistive layers 12, 20.
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