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That's a very smart box, made by someone with a great deal of skill, very nice.
J
J
Posts by Julian2011
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Hi Babs,
You're right about the hot glue and foam. Fortunately, the foam has thousands of tiny pockets, just perfect for a liquid glue like PVA. Simple and inexpensive, it works really well. It works so well that it may be as well to use it sparingly, if it might be possible that alterations may happen at some later date. {Little pockets - think 3D Zipper or Velcro}
J
You're right about the hot glue and foam. Fortunately, the foam has thousands of tiny pockets, just perfect for a liquid glue like PVA. Simple and inexpensive, it works really well. It works so well that it may be as well to use it sparingly, if it might be possible that alterations may happen at some later date. {Little pockets - think 3D Zipper or Velcro}
J
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2,694 Posts
I just re-read your post and a thought came to mind. What sort of foam are you contemplating using? I assumed that it would be the wall / floor insulation type of made with PIR, but 34C mentioned one of the types of foam, might be the Expanded Polystyrene, with that waxy surface.
Julian
Julian
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Interesting looking, I can't recall seeing anything quite like it, before. The reason I asked , is because the normal closed cell stuff [crumbles into little balls of foam when cut or broken - hence closed cell description] , is normally a bit of a fire risk. It adds to any fire that may be started elsewhere, burning very vigorously, I can't see that being a massive problem, to be honest, given some other materials we model with.
However, it also doesn't like wiring insulation, reacting with it to break it down and resulting shorts can set it off, under it's own steam. It is possible to run wiring through simple ducting, to keep it separate, where it runs adjacent, so it certainly isn't insurmountable, but well worth checking in advance.
Not having seen the boards you have got, I can't say either way, for sure. It may be worth taking a look to see what their label says on fire resistance. It should also be possible to Google their name for the "type" of foam board and see the full spec there.
Best wishes
Julian
However, it also doesn't like wiring insulation, reacting with it to break it down and resulting shorts can set it off, under it's own steam. It is possible to run wiring through simple ducting, to keep it separate, where it runs adjacent, so it certainly isn't insurmountable, but well worth checking in advance.
Not having seen the boards you have got, I can't say either way, for sure. It may be worth taking a look to see what their label says on fire resistance. It should also be possible to Google their name for the "type" of foam board and see the full spec there.
Best wishes
Julian
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2,694 Posts
Oh good, you are way ahead of me and well sorted. 
There have been a number of comments on the subject and probably rightly so, as a caution. I'm not completely sure of how high the risk is. Reports of actual fires seem to have passed me by, as I have seen precious few and were caught at the stage, of fumes passing the nose, giving rise to the layout being shut down and then sorted. Still, it's best dealt with as you already have, for easy nights sleep.
J
There have been a number of comments on the subject and probably rightly so, as a caution. I'm not completely sure of how high the risk is. Reports of actual fires seem to have passed me by, as I have seen precious few and were caught at the stage, of fumes passing the nose, giving rise to the layout being shut down and then sorted. Still, it's best dealt with as you already have, for easy nights sleep.
J
Joined
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2,694 Posts
Lucky indeed.
One of my instructors once said {I suspect it was an oft repeated quote...} flying isn't particularly difficult, but mistakes tend to have serious consequences.....
That thought never left me and I have applied it to other forms of transport, too.
J
One of my instructors once said {I suspect it was an oft repeated quote...} flying isn't particularly difficult, but mistakes tend to have serious consequences.....
That thought never left me and I have applied it to other forms of transport, too.
J
1 - 6 of 133 Posts
