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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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