Plumber's putty is an oil-based plumbing sealant used to seal areas that are not under pressure. It is quite pliable and has a texture similar to silly putty.Plumber's puttyis commonly used under kitchen sinks to seal the area between the sink edge and the counter top, and on sink and...
drains, and other plumbing parts. This putty is designed to stay pliable rather than dry or harden over time, which is what helps maintain the seal. One of the most common uses of plumber's putty is to create a seal between a sink and abasket strainer. ...