No experience Stuart but would have thought a stone chip film would have been your best bet & as a tinter you probably already have more experience of those than most.
I know Arlon do appropriate stuff: high tack adhesive digital film Arlon DPF8000 (I use it, very good) + thick Heavy Duty Laminate Arlon 3590 (about 300um thick!!)
Do you only need to laminate current graphics or you also have to print them?
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