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Vinyl Lifting after Snow
Hi,
I am posting for another local sign guy. He has had a few vans with high sloped roofs, (Transit Hitop) where the signage above the windscreen has started to lift.
The snow back in Feb 2010 had a couple of examples and in the recent snow, where snow was left on the vehicle for days the snow had melted and the lettering started to lift. This happened only to the area above the windscreen that sloped and the lettering had been on for 6 months or more. All the other signage is absolutely perfect. I have seen some of the vans after they were completed and the guy always does a great fitting job.
Has anyone else seen this type of problem in the recent snow?
Any ideas as to why would be great.
By the way, the material used is Avery 600.
Neil
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12 Replies
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the subject has been covered recently,
consensus was the use of de icer, Phill Fenton and Bob Clarkson had a lot of input,Peter
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https://www.uksignboards.com/viewtopic.p … light=snow
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Yup – had exactly the same problem and have posted about it here. I used Oracle 551 when I had the same problem. On theory was that de-icer sprayed on the screen was the cause (which makes sense) but I have had the same problem with a sign stored at ground level which did the same thing (an no de-icer was involved). Seems like the common factor is a snow covered sign for a period of days (or even weeks) suffers in this way.
I would like to know the answer too. Maybe a vinyl supplier would care to comment?
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Thanks guys. I searched lifting & vinyl and found thousands of posts. Should have searched ‘snow’
Thanks again for the link.
Neil
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its the snow that does it when left covered for days
nothing to do with de icer -
Nick,
Thanks for that. It seems that the snow was left on the vans for days. A number of the customers said they did not use de icer on the vans.
It is strange that the graphics on the flat bonnets does not seem to be affected, its only the ones on the slope. I was wondering if anyone has any idea why the vinyl is affected on the angle and not on the flat of the bonnets.
Neil
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What is assume it is in screenwash that stops it from freezing, it’s all much of a muchness. Sustained periods of snow cover can affect vinyl, but usually only if it’s on porous surface such as foamboards, and even then it’d need to be buried in it to get the temps low enough. Also remember many low grade vinyls don’t have the temperature tolerance of quality films.
If it were purely snow, Alaska, Switzerland, Austria ect would have no lettering left on anything. Irrespective of any other causes or factors de-icer takes vinyls off.
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From the time the vinyl was first put on the bonnet, and from then with vehicle getting used all the time, then the heat transmitted from the engine to the bonnet has maybe made the adhesive on the vinyl give a stronger bond to the bonnet area, where as the sloping roof area would not have had the same amount of heat. especially from the underneath side.. Just a suggestion
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quote Nick Atkinson:its the snow that does it when left covered for days
Yeah we’ve already figured out that much – the question is how?
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have to find some warmer snow, it may not harm the vinyl then.
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I find that the snow around the equator is much more friendly to vinyl 😀
Peter
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I know British Rail used the excuse "Wrong sort of snow" but " the snow was a bit cold this year", doubt we’ll get away with than as an excuse when a customer complains (chat.)
The more Mediterranean snow should as you say be a lot kinder on the vinyl, lot warmer on your hands cleaning it off the windscreen in the mornings too. :lol1:
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