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The footfall issue will most likely not be cured with a Gingko, if it were air born vibrations or vibrations with in the gear itself that's where the Gingko would be effective and works great. The motion a footfall produces is just way to much energy for the Gingko......I have had the line for the past five years and thier products in my systems in hopes of eliminating the footfall problem in my current room but they actually made it worse......The fix was going under the house and reinforcing the floor joist and adding jacks.