This sound-attenuating secondary subfloor component provides IBC 1207 code compliant sound control ratings. When applied over the structural subfloor, 440 SoundBarrier provides extensional damping that creates a combined layer of damped mass with the previously resonant plywood, OSB or concrete. All types of finish floor surfaces can be installed over 440 SoundBarrier.
Homasote 440 SoundBarrier
October 6, 2017
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