15-11-2018, 08:53 AM
I use these clips to stick to the uPVC around my windows and doors. They say for indoor use but I found them quite adequate for temporary use outdoors and they come off without too much mess.
https://www.ebay.co.uk/itm/Cable-Clips-S...2749.l2649
https://www.ebay.co.uk/itm/Cable-Clips-S...2749.l2649