Try to get a blade underneath the white mirror adhesive and slice it off, then clean it with spirits or whatever takes it off (I would start with everbuild wonder wipes). If you've done all that quite carefully you should end up with a paintable surface.
First choice from my toolbox would be a 6" t bar scraper.
Try to get a blade underneath the white mirror adhesive and slice it off, then clean it with spirits or whatever takes it off (I would start with everbuild wonder wipes). If you've done all that quite carefully you should end up with a paintable surface.
First choice from my toolbox would be a 6" t bar scraper.
https://www.screwfix.com/p/no-nonsense-long-handled-scraper-6/87299