We are having trouble with laminate peeling off our printed vinyl. I will attach pictures for reference. We do have angles holding these signs in so friction could be an issue but we have done it this way for years and most have no problem. We are printing with HP LATEX 315 Printer onto 3M IJ180 Clear Vinyl and LAMINATING with 3M Scotchcal 8518. This is outside in the weather at all times. Any advice would be appreciated. Thank you!