Do you want to remove any adhesive residue that has accumulated on your carpeting the stairs? Pour cola over it, (we were advised to take the better brand of cola I do not know if the "cheaper" also works) The cola just a few minutes to work in and the glue will disappear like snow in the sun! With a putty knife, you can remove it easily. Possibly handle the tricky places once more with cola. Within an hour my husband had our attic staircase of 13 steps spotless. The upright ladder section "s he made good with a wet sponge. This was also done with an hour. However, the clear space under the stairs empty because it leaks through the seams go.