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Discussion Starter · #1 ·
Hi, all...perhaps this will be useful to some.

I'm not fond of diluted white glue for bonding ballast, because it dries rigid and leaves a shine.  So I have generally used diluted artist's matte medium instead, since it remains flexible and does not shine.  Matte medium is quite expensive, though...

Lately I've been experimenting with diluted "tacky" glue with very good results: very firm bonding, no shine, and good flexibility.  But the really good news is the price!

16 oz Liquitex matte medium ~$15-$17 at Michael's or any arts store =  /DesktopModules/NTForums/themes/mls/emoticons/angry.gif
16 oz Aleene's Original Tacky Glue - $4.94 at Joann's and about the same at Michael's =  :)

(for comparison 16 oz Elmer's white glue is $4.99 at my local hardware store)

I generally diluted 1 part matte medium with 3 parts "wet water" (more or less).  The same dilution works with tacky glue, and I suspect from the firmness of the bond that it could be diluted a great deal more.

Dawg :cool: 
 

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Discussion Starter · #4 ·
Jim:  How do you apply the contact cement?  The kind I'm familiar with is pretty thick and gooey and I don't see how it could work to bond a nicely-shaped bed of ballast.
I should mention that my application is "indoors."

Mike:  TBIII is my all-around favorite wood glue.  Never tried it on ballast, though. 
Thanks,

Dawg:cool:
 

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Discussion Starter · #6 ·
RE: Cheap "matte medium" for bonding ballast

Jim,
Thank you. I wasn't aware of that option.
Dawg
 
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