Increasingly, I'm finding that plumber's putty is not recommended for sink drains, especially if it has its own rubber gasket. In places where the manufacturer does not supply a gasket (and the flange is not metal) they suggest silicone caulk. Be sure to read the directions for your drain assembly!
Can plumbers putty be used to stop a leak?
Plumber's putty may only be used to prevent or stop leaks in specific areas. It shouldn't be used interchangeably with other products such as caulk or tape. ... Plumber's putty has it's primary purpose as to create a secure seal between a faucet and a kitchen counter-top.
Is it better to use silicone or plumbers putty?
Both plumber's putty and silicone are sealing compounds designed to provide a water tight fit for pop up drains, sink strainers, undersides of fittings, showers and drains. Plumber's putty is more traditional while silicone caulking is a more modern product, but either one (in most cases) can get the job done.2021-02-16
Should I use silicone or plumbers putty for sink drain?
Both plumber's putty and silicone are sealing compounds designed to provide a water tight fit for pop up drains, sink strainers, undersides of fittings, showers and drains. Plumber's putty is more traditional while silicone caulking is a more modern product, but either one (in most cases) can get the job done.2021-02-16
Why can't I use plumbers putty on plastic?
It's better not to. Because The plumber's putty might attack the chrome plating of the plastic drain. This is why plumbers' putty is not made to be used on plastic. That's why you shouldn't use plumbers putty.2021-09-11