Sunstrip problem advice please

[Robert Lambie]

Could be both mate, but guess its crap vinyl!

cheap vinyl will cause shrinkage which has no option but to pull back leaving adhesive marks or to curl back pulling the vinyl away from the surface. in extreme case the vinyl just cracks all over the place like crazy paving.

this could be how its applied though. i say that because you have a convex surface. which means its getting pulled from every direction. so even when trimmed, it continues to pull / curl back.

[John Harding]

Evening Rob

how would application affect it Rob? and by that do you mean wet or dry app, Ive done a few of these dry applied about a centre hinge and trimmed on the vehicle but is that a correct or incorrect method in your view?

Ive not had any comebacks

John 😀

or would you do this cut vinyl?

[Robert Lambie]

Sorry mate, i meant wet application. but dry application would have similar effect if vinyl was "very" poor quality.

I’ve never done a sun strip printed, always cut vinyl. that said, I’ve hardly done any. lucky if ten in 5 years.

[John Harding]

Thanks Rob youve said much what I was thinking

[David Litster]

I Had a similar problem with regard to vinyl that had been put onto the wind deflector of a camper van during the last past harsh winter just wondered if that has played a part?

[Martin Pearson]

John, as well as a cheap vinyl or applied wet I have seen something like this happen when the screen hasn’t been cleaned properly prior to applying the graphics.

[George Zerbino]

John,

I’ve done & applied thousands, in cut vinyl, Edge printed, screen printed, solvent printed, Latex printed. I apply them dry, and I know some clients that apply them wet.

Never had a failure, unless they were wet applied and then the vehicle goes on the track immediately after fitting on a rainy day – hit a decent speed, turn on your wipers and…..goodbye sticker!

IMO for it to fail like this it simply has to be the incorrect type of vinyl used. Monomeric 3-5 year vinyl will still work ok, but I would recommend Polymeric 5-7 year.

Cheers,
George

[Shane Drew]

quote George Zerbino:

John,

I’ve done & applied thousands, in cut vinyl, Edge printed, screen printed, solvent printed, Latex printed. I apply them dry, and I know some clients that apply them wet.

Never had a failure, unless they were wet applied and then the vehicle goes on the track immediately after fitting on a rainy day – hit a decent speed, turn on your wipers and…..goodbye sticker!

IMO for it to fail like this it simply has to be the incorrect type of vinyl used. Monomeric 3-5 year vinyl will still work ok, but I would recommend Polymeric 5-7 year.

Cheers,
George

I’d use nothing less than a polymeric for windscreen. I’d say this was a mono for sure, and probably applied wet if I was asked to guess. Always apply dry, from the centre as you have suggested and you shouldn’t have a problem. Like george I’ve done printed and computer cut, never had an issue. To be honest though, I prefer to use a cast as it is easier to shrink out any spears, and they’ll stay shrunk. 🙂

[George Zerbino]

I’ve used mactac 8300 monomeric with Edge print for years on many of the championship graphics I produce, without any problem. But these only need to be on for 1 year max.
All the other ones I make are always on a polymeric, but most times even they don’t stay on for very long seen as most times they will fail an mot (I advice the customers about this fact, most say "I’ll get a new one after the mot").