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What are the acoustic properties of spray foam?

Open-cell spray foam offers optimal sound-deadening qualities. As an effective air seal, Aloha’s open- cell foam eliminates the air gaps through which sound travels and is superior in controlling mid-range frequencies which include the most common sounds; the human voice, stereo music and plumbing noise. A lot of the sound waves are absorbed as they try to find their way through the foam. Closed-cell foam is a bit less effective as a sound deadener as it is so dense that the vibrations can be transmitted thru the foam more directly, but compared to fiberglass it’s still quite superior.

Posted in: Spray Foam Insulation