Most tails indoor outdoor carpet is so effective that continue to adhere to the ground, even after the carpet is gone. At this point, it serves its purpose; it is nothing more than an eyesore that can spoil the look of the plant. Removal of residual rubber carpets is an easy task with the right materials and a little effort. There are several proven methods that can successfully remove the stubborn rubber mats.
Make a mixture of equal parts vinegar and warm water and add two tablespoons of dish soap and put it in a spray bottle. Saturate the residual glue and let stand for 10 minutes. Use a spatula to scrape the glue softened now. Place a half pound of dry ice in a metal tray and put in the indoor outdoor carpet. Let it sit for a minute and then move on to the next area. Fresh frozen scrape with a scraper and keep moving the pan and scrape up all the glue has been blocked.
Spray adhesive with WD-40 and let it soak for about five minutes. The tail should easily get when scraped with a spatula. Remove as much glue as possible with a scraper and sweep the residue with a broom or vacuum up. Use a sander with 40 grit sandpaper to remove the rest of it. Use a heat gun or a hair dryer on the hot setting to heat the glue that is flexible enough to scrape in indoor outdoor carpet.