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       #Post#: 2214--------------------------------------------------
       Foam board on plywood layout
       By: tim72 Date: November 22, 2019, 4:32 pm
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       I decided  to run to Lowes and pick up some 3/4 inch green
       insulation board to screw down to the top of the plywood table
       layout. i think it will be a smoother surface and sound muffler.
       Are other people thinking the same way ???
       #Post#: 2215--------------------------------------------------
       Re: Foam board on plywood layout
       By: TrainLarry Date: November 22, 2019, 6:08 pm
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       The foam board may be a smoother surface, but when you screw the
       track down through it into the plywood, the vibrations will
       transmit into the plywood through the screws. It may reduce the
       sound level some, but not completely.
       Larry
       #Post#: 2254--------------------------------------------------
       Re: Foam board on plywood layout
       By: dbat77 Date: December 19, 2019, 12:17 am
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       [quote author=tim72 link=topic=896.msg2214#msg2214
       date=1574461932]
       I decided  to run to Lowes and pick up some 3/4 inch green
       insulation board to screw down to the top of the plywood table
       layout. i think it will be a smoother surface and sound muffler.
       Are other people thinking the same way ???
       [/quote]
       Try using liquid nails to glue it down.  You will need to add
       some weight on top to press it down relatively smooth and to
       insure good adhesion.  Let it dry overnight.
       #Post#: 2322--------------------------------------------------
       Re: Foam board on plywood layout
       By: reno Date: February 7, 2020, 9:51 am
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       I agree on the liquid nails.   I am in the process of adding to
       my layout.  In that process I am removing a lot of the foam i
       put down years ago using liquid nails.   It is tough to get up
       sometimes.  So just be aware if you use it use what you need and
       little more just in case you ever decide to have a do over.
       #Post#: 2822--------------------------------------------------
       Re: Foam board on plywood layout
       By: 72Blackbird Date: May 20, 2021, 10:08 am
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       I use 1/2" sound board glued down to 7/16" OSB- I had the
       Fastrack screwed down to it, but it still was quiet.
       Geno
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