Where Not to Use Plumber's Putty Plumber's putty is not an adhesive, and it is also petroleum, or oil-based. Because of its ability to stain or degrade other materials, we don't recommend using it in the following areas: Kitchen or bathroom countertops made of marble, quartz, or granite Around a toilet bowl To seal around the base of a shower or bathtub On plastic or threaded pipes On any PVC or ABS plastic materials