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I am being bothered by airplane noise in my home and was thinking to put mass loaded vinyl in the attic to help shield some of the noise. The attic has old fiberglass that is also covered in a layer of loose fill insulation.

Is it acceptable to just lay the vinyl on top of the insulation? I saw this video where the contractor supports the vinyl with metal channel but the amount of loose fill insulation doesn't allow for that in my home.

An alternative approach would be do staple to the roof (on the wooden underside).

Wondering if either of these approaches are acceptable.

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    Hello, and welcome to Home Improvement. I'm no pro, but my guess is that unless you get complete coverage with no gaps, it isn't going to do much for you. – Daniel Griscom Jun 15 '20 at 0:09
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    actually he used metal strap, not channel. If the insulation gets crushed that will reduce the amount of insulation it provides Some means should be used to veep the vinyl from crushing the insulation. The stuff he was using was fairly heavy, staples might pull out or pull through. – Jasen Jun 15 '20 at 2:45
  • I have not seen that material , you might look into acoustic foam panes both are the same in that if you don’t have solid coverage it will not work as well. I also agree with Jason that was strapping not Chanel. – Ed Beal Jun 15 '20 at 13:13

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