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November 14, 2019, 12:55:54 PM
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Author Topic: base materials  (Read 142 times)
up34141

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« on: November 08, 2019, 06:19:39 PM »

I have a layout base made it is 6'X17'. Some people say to put a sound absorbing material on top of the plywood, like  "homosote". I am using E-Z track. Should I  do this?
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Flare

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« Reply #1 on: November 08, 2019, 06:37:28 PM »

Personally, I would not use EZ Track.  The plastic vibrates with the wheels and gets quite noisy.

My modular group uses 2" sheets of insulation foam as the base with wood framework to support it.

On top of that we use cork roadbed and flex-track, the combination is quiet enough for use at train shows.

There is now foam roadbed that may be even more sound-absorbent, though I haven't tried it myself:  https://woodlandscenics.woodlandscenics.com/show/category/HOScaleTrackBedSystem


If you still want to use EZ Track, there was a discussion earlier this year which had good tips:  https://www.bachmanntrains.com/home-usa/board/index.php/topic,35966.0.html
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Terry Toenges


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« Reply #2 on: November 09, 2019, 10:58:29 AM »

I use E-Z track. A layer of foam is good. It makes it easier to poke in trees and carve rivers or gullies.
On top of that I have used rubberized shelf shelf liner. I just cut strips of it to lay under the track and dribble a little white glue over it. It works to deaden the hollow sound.

I just started trying a new method by using foam window weatherstrip under the E-Z Track. I get it from Lowe's and it's 1/4" high and 1/2" wide. You have to do each piece individually and you can stick 3 strips side by side under the track. It also takes away the hollow sound. The good thing about doing it this way is that each piece will have it's own insulation if you use it for temporary set-ups like Christmas.
« Last Edit: November 09, 2019, 11:01:50 AM by Terry Toenges » Logged

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Calypso

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« Reply #3 on: November 09, 2019, 10:44:16 PM »

Homasote® 440 Soundbarrier with noise reduction coefficient (NRC): 0.20 is a very good choice for base material.  I start with a ¾ inch sheet of ply wood and apply an even coat of Green glue noiseproofing compound.  Then I put the 5/8 inch sheet of Homesote® 440 Soundbarrier on the plywood, then I apply another layer of the Greenglue noiseproofing compound on the Homesote® 440 Soundbarrier, then applying the first layer of foam for the scenery.

NOTE: A). acoustical foam (sound proofing/deadening) - this soundproofing/sound deadening foam can generally be found in the automotive soundproofing industry, and music recording industry. B). foam – such as weather stripping blue and pink insulation foam, that can be found in your local hardware or lumber stores, have little to no sound proofing or deadening properties.
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Terry Toenges


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« Reply #4 on: November 10, 2019, 12:44:36 AM »

I know that blue and pink board don't do anything for sound but the rolls of gray foam window weatherstrip do quiet it under the E-Z Track because I've tried it. Filling in the space under there does make a difference with whatever you use to fill it with.
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