No, the woodgrain foil is bonded to the uPVC using hot glue and rollers, which is then allowed time to set before being fabricated. Therefore, the woodgrain should never peel off on its own accord, only if it is purposely damaged. The foiling process is carried out using state of the art machinery, which makes the process appear to be fairly simple. The below video gives you a quick insight into the foiling process and shows the rollers in more detail.