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Author Topic: Lifting track stuck with Copydex  (Read 605 times)

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Offline bob lawrence

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Lifting track stuck with Copydex
« on: January 24, 2018, 03:35:26 pm »
Hi all, could anyone help me please. What is the best way to lift some track which is stuck directly onto MDF with Copydex to be reused. I have tried using a thin blunt rounded end dinner knife by pushing it under one side but it lifts track out of the sleepers next along.

Offline mojo

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Re: Lifting track stuck with Copydex
« Reply #1 on: January 24, 2018, 03:45:12 pm »
I have done the same method with a very thin spatula type kitchen tool which is about 10" long but pushed it under the full width of track first then turning it to nearer the length of track and easing it through the copydex. This has worked o.k. but I now use copydex thinned down 50:50 with water and so far have not had problems with the hold on the track.
Maurice C.

Offline bob lawrence

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Re: Lifting track stuck with Copydex
« Reply #2 on: January 24, 2018, 04:19:27 pm »
Thanks Mojo, Iím not too bothered about the track, although thereís is quite a bit which would go a long way towards my new layout, itís mainly the points. I havenít tried one yet. Just have to be as careful as I can when I do try. Unless someone else has a solution.

Offline Yet_Another

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Re: Lifting track stuck with Copydex
« Reply #3 on: January 24, 2018, 07:32:06 pm »
Get one of those craft knives with the snap off blades. Make sure you've got a new blade in it, then extend the blade fully, so you've got several inches of very sharp steel exposed, then use it to slice between the track and the board.
Tony

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Offline Zogbert Splod

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Re: Lifting track stuck with Copydex
« Reply #4 on: January 26, 2018, 03:50:51 am »
I have done the same method with a very thin spatula type kitchen tool which is about 10" long but pushed it under the full width of track first then turning it to nearer the length of track and easing it through the copydex. This has worked o.k. but I now use copydex thinned down 50:50 with water and so far have not had problems with the hold on the track.
Maurice C.
I didn't know that Copydex was water soluble!  Good info, thanx for posting..... :thumbsup:
"When in trouble, when in doubt, run (trains) in circles..." etc.
There, doesn't that feel better? 
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Offline bob lawrence

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Re: Lifting track stuck with Copydex
« Reply #5 on: January 26, 2018, 06:58:31 am »
I very much doubt it is, certainly canít wash brushes in water. May be wrong, will check later, have a small bit left in the pot.
Will be using PVA in future, but then again will be as sure as I can be that this one will be Ďití for a long time.

Offline Zogbert Splod

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Re: Lifting track stuck with Copydex
« Reply #6 on: January 26, 2018, 02:47:32 pm »
I very much doubt it is, certainly canít wash brushes in water. May be wrong, will check later, have a small bit left in the pot.
Will be using PVA in future, but then again will be as sure as I can be that this one will be Ďití for a long time.
I intend to to a wee test on that too before using it in anger.  But it would be nice!  I think there may be confusion with PVA going on here.  But it would be nice.
I am a great fan of PVA but I have wondered about using it on plastics. I tend to think of it as a wood glue.  I have sooooo much to learn about glues!   :D
"When in trouble, when in doubt, run (trains) in circles..." etc.
There, doesn't that feel better? 
Lovely!

Planning thread:
http://www.ngaugeforum.co.uk/SMFN/index.php?topic=25873.0

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Offline Malc

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Re: Lifting track stuck with Copydex
« Reply #7 on: January 26, 2018, 03:13:40 pm »
Thing about copydex is that you only need to use a drop every few inches. You donít need to use it the whole length of a piece of track. I use a paint/wallpaper scraper to lift the track.
I'm not sure if life is passing me by, or trying to run me over.

Offline lil chris

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Re: Lifting track stuck with Copydex
« Reply #8 on: January 26, 2018, 04:57:45 pm »
Hi there,I use one of those knives someone mentioned with the snap off blades. It usually comes up easy,you then just peel it off the track. Always been less hastle than using pva for me.i also use a layer of cork under the track, I use copydex to glue the cork down first then the track to the cork.
« Last Edit: January 26, 2018, 04:59:53 pm by lil chris »
Lil Chris
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Re: Lifting track stuck with Copydex
« Reply #9 on: January 26, 2018, 05:06:55 pm »
I generally use a steel rule. Just slide it under gently then lift gently.
Agree with Malc though. It isnít nevessary to use too much to firmly stick track down.
If it looks right then it most probably is right.


Offline Railwaygun

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Re: Lifting track stuck with Copydex
« Reply #10 on: January 26, 2018, 06:31:39 pm »
I very much doubt it is, certainly canít wash brushes in water. May be wrong, will check later, have a small bit left in the pot.
Will be using PVA in future, but then again will be as sure as I can be that this one will be Ďití for a long time.

Don't use waterproof / outdoor PVA if you plan to lift track later.
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Offline Dsolds

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Re: Lifting track stuck with Copydex
« Reply #11 on: January 26, 2018, 06:41:37 pm »
I found that using a steamer will soften and lift even waterproof PVA to the point that I could then rinse and re use the ballast as well. Just donít tell her indoors Iíve got her steam cleaner  :laugh:

Offline bob lawrence

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Re: Lifting track stuck with Copydex
« Reply #12 on: January 26, 2018, 07:25:40 pm »
Thanks for all the replies, nice to know Iím not the only one.
I found that using a steamer will soften and lift even waterproof PVA to the point that I could then rinse and re use the ballast as well. Just donít tell her indoors Iíve got her steam cleaner  :laugh:
Thats an interesting idea Dsolds. We have a POLTI, this maybe what you have. It has a small nozzle for spot/tile grout etc cleaning so I am definitely going to give that a go, watch this space.

Offline Dsolds

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Re: Lifting track stuck with Copydex
« Reply #13 on: January 26, 2018, 08:20:17 pm »
Yep, thatís the sort of thing. Mineís not a Polti but similar.
Dom.

 

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