Try plastic putty knives but do not get them too hot or they.
Remove old blue painters tape from aluminum siding.
Once you have completed the paint job remember to remove the tape.
A hair dryer on the tape to help soften the sticky part blow it w the hair dryer in little sections then remove it slowly keep the hair dryer on it as you peel.
When the tape dries out it becomes almost impossible to remove many people have battled with dried on painter s tape at one time or another.
Once masking tape has dried out the hardened adhesive can prove quite difficult to remove.
Painter s tape is a useful type of tape which you use to create neat lines when you paint.
Old neglected masking tape often seems cemented to window glass metal trim or other household surfaces.
Tape on aluminum siding requires a solvent like goo gone to take off the glue.
Here are some amazon links to the products i used to get the job done.
Good luck that blue painter s tape is the stickiest stuff around i paint a lot and i never use it because it s so hard to get off sometimes.
While it can be scraped off or sanded off that can inadvertently damage the surface the tape was originally meant to protect.
Tape removal from aluminum siding depends on the thickness of the tape remaining.
Use caution with scrapers and single edge razor blades because the finish on aluminum siding is soft and easily damaged.