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Author Topic: Temporary glue to aid layout construction  (Read 334 times)

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Offline Thebaz

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Temporary glue to aid layout construction
« on: December 09, 2019, 05:08:18 PM »
Evening.

I have what may be a unique set of problems in getting the construction of my layout moving.

1) I have used polystyrene to make the boards lightweight (so it can be "put away")
2) The layout features about 80% flexitrack, 10% setrack and 10% turnouts and is a very tight fit to the board space
3) Our house is small and we are also trying to sell it so I cannot have the layout out to work on permanently

all this means

4) I need to temporarily fix the track so I can work out where I need to cut holes for the point motors, and have to work on one half of the board at a time. Obviously track pins don't tend to work with polystyrene, especially if I'm then going to store it vertically.

So I'm thinking of using some sort of "temporary" glue to hold the track. I would need the glue to be temporary enough for me to be able to remove the track afterwards but not leave a manky residue on the track or pull away any of the polystyrene when removed. Any suggestions? Would a very diluted PVA solution work?

Online class37025

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Re: Temporary glue to aid layout construction
« Reply #1 on: December 09, 2019, 05:12:38 PM »
double sided tape ?
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Re: Temporary glue to aid layout construction
« Reply #2 on: December 09, 2019, 05:17:09 PM »
Blu tak?
Id normally suggest Copydex but Im not at all sure youd get it off without damaging the polystyrene.
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Online exmouthcraig

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Re: Temporary glue to aid layout construction
« Reply #3 on: December 09, 2019, 05:39:03 PM »
Problem with glues and polystyrene is it needs to be solvent free so it doesnt melt.

Could you not PVA track onto a 6mm ply board, lay or even prop off the top of the polystyrene to get you location marked and once their done get a couple of tubes of yellow solvent free gripfill. Squirt and spread over polystyrene and clamp the 6mm ply back to it??

A rigid top board but not adding much weight to the overall layout and 6mm wont add much depth to it once stood up.

Hopefully the new house has a dedicated room?????

Online Dorsetmike

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Re: Temporary glue to aid layout construction
« Reply #4 on: December 09, 2019, 05:44:56 PM »
My preferred way is cork tiles, or strips cut from them, stuck to the poly with PVA, pins hold in cork until you can ballast. (also using PVA) Done it that way for the last 15 years/3 layouts with no problems.
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Offline RailGooner

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Re: Temporary glue to aid layout construction
« Reply #5 on: December 09, 2019, 06:16:09 PM »
Blu tak?
Id normally suggest Copydex but Im not at all sure youd get it off without damaging the polystyrene.

I was also going to say Copydex - just a few dabs the size of a match-head here and there.
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Offline kirky

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Re: Temporary glue to aid layout construction
« Reply #6 on: December 09, 2019, 07:52:45 PM »
Prittstick?
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Online zwilnik

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Re: Temporary glue to aid layout construction
« Reply #7 on: December 09, 2019, 08:48:34 PM »
Blu tak?
Id normally suggest Copydex but Im not at all sure youd get it off without damaging the polystyrene.

I was also going to say Copydex - just a few dabs the size of a match-head here and there.

Likewise, Copydex is my go-to sticky stuff for track work. Handy for temporary fixing as well as permanent (with the ability to carefully peel the track up again later if you want).


Offline Newportnobby

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Re: Temporary glue to aid layout construction
« Reply #8 on: December 09, 2019, 09:34:56 PM »
Is there any way you can create your track plan in a Planning software such as SCARM or AnyRail then print it out at 1:1.
That way you would not need to fix down your track at all and risk damaging the polystyrene until you come to do it permanently.

Offline Thebaz

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Re: Temporary glue to aid layout construction
« Reply #9 on: December 10, 2019, 12:57:59 PM »
Thanks for your thoughts and suggestions so far.

I think prittstick will not be sticky enough to take the weight of the track hanging vertically, and probably not   enough to hold the track whilst I'm trying to fix other bits of track to it. Similarly with blu-tack.

I have a plan at 1:1 but so far I've resisted taping all the sheets together. But I suppose I could do that and just poke holes through where the turnouts are. Copydex seems to be the consensus on glue so I will try that in a small corner first to see if it damages the poly.

New house will hopefully have somewhere I can work, - market is a bit slow at the moment though!

Cheers

 

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