How To Remove Old Blu Tack From Walls. How to remove marks from walls with a magic sponge! Use it to remove blu tack from a wall!
Try dabbing with a citrus based stain remover to soften the material and pull away.
You just apply a little directly to the tac and it dissolves it. However, removing blu tack can be a little more complicated than simply peeling it off. How to return the item? Blu tack and other reusable adhesives allow you to stick posters, white boards and other decorative items to your walls without drilling or making holes in the plaster.