Both plumber’s putty and silicone caulk provide a watertight seal for a sink drain. You must seal the area between a sink’s drain body and the actual sink surface. Otherwise water will leak out between the two and begin dripping under the sink.

How much does it cost to install a sink strainer?

A plumber will charge $171 to install a new sink strainer in a sink. If you have plumbing skills and tools, you can buy the strainer for $30 and replace it and save 80 percent. You’ll need plumber’s putty, a putty knife, joint pliers, and a spud wrench.

Should I use silicone or plumbers putty for sink drain?

While both will create a good seal, plumber’s putty is the most preferred for sink drain flanges while silicone caulk provides the best seal between the edges of the sink and the countertop.

Can I use a rubber seal instead of plumbers putty?

Which One Should I Use: A Rubber Gasket or Plumber’s Putty? Generally, it’s better to use rubber gaskets on sink drains than plumber’s putty. Why? Well, you’ll likely run boiling water and reasonably cold water in the sink, whether you’re washing dishes, getting water, or rinsing vegetables.

Can you use plumbers putty on stainless steel?

One word of caution is when setting a stainless steel sink or working on a stainless steel counter-top, use plumbers putty specifically designed for use with stainless steel.

Where does the rubber gasket go on a sink drain?

The Flange of the basket strainer goes on the inside of the sink and the rubber washer/gasket, paper gasket, pressure cup and nut are under the sink.

Is it OK to use silicone instead of plumbers putty?

You can use silicone caulk or plumber’s putty to seal sink drains. Plumber’s putty may crack and cause leaks as the clay dries out with time. But it’s the preferred choice of sealant if you’ll be adjusting or removing the drain.

Can I use pipe thread sealant instead of plumbers putty?

Plumber’s putty is commonly used under kitchen sinks to seal the area between the sink edge and the counter top, and on sink and tub drains. While pipe dope is used on pipe threads where there is pressure, plumber’s putty is generally used to fill gaps in drains and on sinks.

What can I use instead of plumbers putty?

Instead of Plumbers Putty, you can use epoxy putty or Teflon tape.

How much does it cost to install a drain in a kitchen sink?

The cost of repairing or replacing a sink drainpipe in a kitchen can be as low as $250 to $310, according to Porch.

How much does it cost to replace piping under kitchen sink?

In general, kitchen sink drain pipes will need replacing when they start to leak, smell, and are generally too old. The cost to replace all of the plumbing under your kitchen sink is between $100 and $350 on average.

Why does my sink strainer leak?

Scrape off Old Putty

Plumber’s putty creates a waterproof seal around the strainer and holds it in place. When it dries out, it cracks and degrades over time. Old putty is the biggest culprit for under-the-sink leaks as it loses its ability to form a proper seal. And when the seal fails, your sink will leak.

What is the difference between plumbers putty and silicone?

Plumbers use it because it remains soft for a long time and maintains a watertight seal, but unlike silicone and other types of caulk, plumber’s putty is not an adhesive, so a fixture or drain part sealed with putty remains easy to remove if you ever need to replace it.