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<blockquote data-quote="Rudy" data-source="post: 4115233" data-attributes="member: 568035">Yep, Ensolite would work very well. Ideally you want the lightest, most open foam you can find - the idea is to separate the high density layer from the substrate so that vibrations aren&#039;t transmitted directly through it. Any interface between low and high density materials is a good thing when it comes to blocking sound. Practically, a heavier, closed cell foam is more practical in this application. It is more resistant to moisture and wont compress completely flat when you put weigh - like your feet - on it. You can find the pre-assembled composites with both kinds of foam. Google mass loaded vinyl for all osrts of sources. Second Skin, Cascade and Dynamic Control all sell the stuff too.I use aluminum flashing from the roofing department at Home Depot to close access holes. It&#039;s easy to cut with heavy scissors and forms to complex shapes fairly well. I use self tapping screws and silicone adhesive to hold it in place and usually double up for extra strength.</blockquote>

[QUOTE="Rudy, post: 4115233, member: 568035"] Yep, Ensolite would work very well. Ideally you want the lightest, most open foam you can find - the idea is to separate the high density layer from the substrate so that vibrations aren't transmitted directly through it. Any interface between low and high density materials is a good thing when it comes to blocking sound. Practically, a heavier, closed cell foam is more practical in this application. It is more resistant to moisture and wont compress completely flat when you put weigh - like your feet - on it. You can find the pre-assembled composites with both kinds of foam. Google mass loaded vinyl for all osrts of sources. Second Skin, Cascade and Dynamic Control all sell the stuff too. I use aluminum flashing from the roofing department at Home Depot to close access holes. It's easy to cut with heavy scissors and forms to complex shapes fairly well. I use self tapping screws and silicone adhesive to hold it in place and usually double up for extra strength. [/QUOTE]

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