Sound deadening materials

Guys,

Homasote is good for sound deadening. But if you are using homasote how much quieter would Woodlands track bed be in addition to or in substitution for homasote on a 3/4 inch plywood base?

Also is it more effective to cover the plywood completely rather than just the roadbed area? Obviously the other sound deadening other than woodlands. [;^)

Also I've also seen people using foam board. However I've not seen it elaborated on exactly the foam type/brand used and if it is more or less effective than my first query?

Thanks

Bill

4/1/2010:56 AM

Original Post

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