Do You Have To Use Plumbers Putty When Installing A New Faucet?

Are you planning to install a new faucet? You may have heard of plumbers putty as a necessary part of the process. But do you really need it?

According to the US Department of Energy, plumbers putty is used in more than 80% of all faucet installations. This means that having some on hand is important if you want to get the job done right.

In this article, we’ll discuss the importance of using plumbers putty when installing a new faucet and how to do it properly. We’ll cover what plumbers putty is, when it should be used, and how to complete the installation process.

By the end of this article, you’ll have all the information you need to make sure your faucet installation is secure and long-lasting.

What is Plumbers Putty?

Plumbers Putty is a malleable, clay-like material that helps create a watertight seal when sealing faucets and other plumbing fixtures, so you can rest assured that your installation is done properly.

It is rated for use in temperatures up to 400°F and is resistant to oils, acids and most chemicals, making it ideal for a variety of applications, including sealing faucet fixtures, stopping leaks in drains, fixing leaky pipes and preventing clogged drains.

Plumbers Putty can easily be shaped and molded, and forms a tight seal that remains flexible and can easily be removed when necessary. It also prevents rust and corrosion, in addition to providing a reliable watertight seal.

Plumbers Putty is an essential material for any plumbing job, and is invaluable in preventing leaks and clogged drains.

When Should You Use Plumbers Putty?

When replacing a sink fixture, you should use plumber’s putty. It is a pliable putty designed to create a watertight seal between the sink fixture and the sink. While it is not necessary for other types of faucet installation, it is highly recommended for sink fixtures.

Plumber’s putty has many advantages. It is flexible, low cost, and does not harden, shrink, or crack over time. Additionally, it does not have a significant environmental impact, making it an ideal choice for eco-conscious homeowners.

However, plumber’s putty also has certain drawbacks. It can be difficult to remove from certain surfaces and can leave an oily residue. It also tends to discolor fixtures and can be difficult to clean up. Additionally, plumber’s putty requires more frequent maintenance than other types of faucet installation materials, such as silicone caulk.

Despite these drawbacks, plumber’s putty is still the preferred sealant for sink fixtures and should be used whenever possible.

Preparing the Faucet for Installation

Before embarking on the journey of installing a new faucet, it’s important to take the time to properly prepare the faucet – much like a chef carefully assembling the ingredients for a delicious meal.

This step is necessary for avoiding common problems like leaking fittings and other issues that could arise during or after the installation. Ensure that the faucet is properly secured in the sink and that the connections are tight and secure. Check the connections for any leaks, and if any are present, use plumbers putty or other sealants to prevent additional leaking.

Additionally, use a wrench to tighten any loose fittings or connections to ensure a secure, tight fit. Make sure that the faucet is properly aligned with the sink basin and that the connections are not too tight or too loose.

Finally, check the connections for any cracks or other damage that could lead to future leaking. Taking the time to prepare the faucet properly before starting the installation process can save time, money, and headaches later on.

Installing the Faucet

Let’s get started on the exciting task of installing your faucet – it won’t take long and you’ll be able to enjoy it in no time!

Begin by connecting the faucet to the two pipes coming out of the wall, if needed. Depending on your faucet, you may need to use plumber’s putty around the base of the faucet to ensure a tight seal between the faucet and the sink.

If your faucet includes a flexible water supply line, attach the line to the faucet and to the water supply valve. Make sure to tighten the connections firmly to prevent any water leaks.

Next, turn off the water supply valves and open the faucet to allow any excess water to drain out. Once the water has been drained, turn the valves back on to check that the water pressure is sufficient.

If the water pressure is too low, you may need to adjust the valve pressure or contact a plumber to help. Once you have confirmed that the water pressure is sufficient, you can then go ahead and install the faucet.

Make sure to tighten all the connections to ensure a tight seal and to prevent any water leaks.

Sealing the Faucet with Plumbers Putty

Make sure your faucet won’t leak by sealing it with plumber’s putty – it’s a quick and easy way to get your bathroom looking fresh!

Plumbers putty is a waterproofing option that is commonly used in DIY installations. It’s an inexpensive, malleable material that is used to create a watertight seal around faucets and fixtures.

To use it, you’ll need to first cut off a piece of the putty, then knead it in your hands until it’s soft. Then, you can press it around the faucet base, making sure to press it firmly into the crevices.

Once it’s in place, it should form a tight seal and protect against any water leakage. With a few simple steps, you can make sure your faucet is securely sealed with plumber’s putty and ready to go.

Neatening the Putty

After sealing your faucet with the malleable material, take a moment to tidy up the edges like a sculptor creating a masterpiece.

You’ll want to remove any residue from the putty that may have escaped when you applied it, as well as any excess putty that may have inadvertently seeped out of the seams.

To do this, you’ll need the following tools:

  • Cleaning Tools:

  • Soft Cloth

  • Cleaning Solution

  • Mild Abrasive

  • Putty Removal Tools:

  • Putty Knife

  • Scrapers

  • Spatula

Once you have your tools in hand, you can begin to clean away any residue from the putty and remove any excess that may have oozed out.

Start by wiping away the residue with a soft cloth and cleaning solution. If any tough dirt or grime remains, you can use a mild abrasive to get it off.

Then, use the putty knife, scrapers and spatula to scrape away any excess putty. Be sure to use gentle pressure when using these tools, as you don’t want to damage the surface of the faucet.

After you have removed all the excess putty, you can use the soft cloth to wipe away any remaining residue.

Finishing the Installation

Now that you’ve tidied up the putty, it’s time to finish the installation of your shiny new faucet. First, you’ll need to make sure the water supply line is connected to the faucet and that the connection is secure. Depending on the type of faucet and the type of water supply you have, the type of fitting you’ll need may vary. Here’s a quick breakdown of the most common water supply and fitting types:

Water Supply Fitting Type
Copper Compression Fitting
PEX Push Fitting
CPVC Solvent Cement Fitting

After the water supply is connected, you’ll need to turn the water on and check the water pressure. If the water pressure is too low, you’ll need to adjust the water pressure regulator. Once the water pressure is adequate, you can turn on the faucet to check for leaks. If there are any, you’ll need to tighten the fittings or apply more putty. Finally, you can turn off the water and check the installation is secure.

Frequently Asked Questions

Is it necessary to use plumbers putty when installing a new faucet?

When preparing to install a new faucet, it’s important to choose the right sealant. Plumbers putty is one of the more common sealants used for this purpose, but it’s not the only option. Depending on the surface you are working with, you may need to use a different type of sealant, such as silicone caulk.

Preparing the surfaces by cleaning them thoroughly is essential before applying any sealant. It’s also important to make sure the sealant you choose is compatible with the type of faucet you are installing.

How much plumbers putty should I use?

When installing a new faucet, it’s important to use the right amount of plumbers putty for a secure fit. As a general rule, use one-half teaspoon of plumbers putty for each fastener.

For example, if you are installing a two-handle faucet, you will need two teaspoons of plumbers putty.

It’s also important to store the plumbers putty properly, as it can dry out quickly if exposed to air or water pressure.

Finally, make sure to apply the putty evenly to ensure it seals correctly and your new faucet is securely in place.

How long does the putty need to dry before the faucet is ready to use?

Once you’ve applied the plumber’s putty to the new faucet, it’s important to allow adequate drying time before using. The sealing process requires the putty to dry completely, which usually takes around 24 hours.

Make sure the putty has plenty of time to dry before you turn the water back on and use the faucet. If you don’t wait for the putty to dry, the faucet may not be properly sealed, leading to potential water leaks.

What are some alternatives to plumbers putty?

When installing a new faucet, there are alternatives to using plumbers putty.

Silicone sealant can be used to effectively seal the base of the faucet to the sink or countertop. It’s important to make sure to use a high-grade silicone sealant that’s specifically designed for use in a bathroom or kitchen.

Thread sealant is another option. It’s a paste-like substance that’s applied to the threads of a faucet and works to prevent leaks.

Both silicone sealant and thread sealant are easy to use and provide an excellent seal.

What tools are needed to install a new faucet?

When installing a new faucet, you’ll need certain tools. Specifically, you’ll need a wrench, screwdriver, and a basin wrench.

Additionally, you may also want to use waterproofing tape and sealing caulk for extra protection. The tape and caulk should be applied to the base of the faucet and the sink.

Then, the new faucet should be attached to the sink with the appropriate screws. Once it’s firmly attached, you may want to use plumber’s putty to form a watertight seal.


You’re almost done with installing your new faucet! Plumbers putty is an important part of the process and should not be overlooked.

It’s a great sealant that will keep your faucet from leaking, so take the time to do it correctly and make sure all the pieces are lined up and sealed properly.

By doing the job right, you’ll be able to sit back and enjoy the fruits of your labor for years to come.

So don’t cut corners and get the job done right the first time, it’s worth it in the long run.

You’ll be glad you took the time to put the extra work in, it’s a piece of cake if you just take it one step at a time and don’t bite off more than you can chew.

Leave a Comment