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Reply to "Plywood shortage - alternatives?"

@452 Card posted:

Keith-

Is convoluted acoustic foam the stuff that is on the walls in studios? If so, I would use insulation installation rods to hold it in place. Easy to remove and replace if necessary. Wait....

Ah, found it online. Also called eggcrate foam, the stuff they use in gun cases. Available in many sizes, including 4'x8'. Great idea, eliminates the fibreglass stuff and all its badness.

With noise, number of observations/thoughts. You are really fortunate with your train room, that is an amazing space. One problem you may have is echoes in the space, any noise the layout generates it is going to echo in that space. Things like posters on the wall, furniture, curtains on the windows would help to stop that from happening.

The other thing you might want to think of is with the hardwood floor you might want to put some sort of isolating material between the legs and the floors, because any vibrations on the table will be transmitted through the legs to the floor, and that will create noise. Something like the rubber cups they have to put under table legs, or a small square of foam rubber.

And yep, homasote or ceiling tile on top of whatever base material you use is a good idea, and as has been discussed on here when putting down track attach it to that material, not the underlying wood.

The egg crate sound deadening material under the layout might work as well, never tried that one.

Hope this was helpful, love to see how the layout comes out.

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
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