Plumbers Putty vs. Silicone: The Key Differences and Benefits to Use At Home
Posted in: Home Improvement
On June 13, 2023

Today we’ll shed light on an essential topic for plumbing professionals and DIY enthusiasts alike: the differences and benefits of Plumber’s Putty and Silicone Putty. 

When it comes to sealing pipes and other plumbing fixtures, choosing the right sealant is crucial to ensure leak-free and long-lasting results. 

In this blog, we’ll explore what Plumbers Putty and Silicone Putty are, discuss their dos and don’ts, and highlight their unique benefits.

Silicone Sealant for Plumbing:

Silicone sealant for plumbing is a versatile and widely-used material that offers excellent waterproofing properties. 

It is a durable, flexible, and long-lasting solution for sealing joints and gaps in plumbing systems. 

Silicone sealant for plumbing is specifically formulated to withstand constant exposure to water and moisture, making it an ideal choice for various applications.

What is Plumbers Putty?

Plumbers Putty vs. Silicone


Plumbers Putty, on the other hand, is a traditional sealing material that has been used for many years. 

It’s a clay-like substance that remains soft and pliable even after application. 

Plumbers Putty is primarily composed of linseed oil, powdered clay, and other fillers. It is commonly used for sealing drains, sinks, and faucets.

What is Silicone Putty?

Silicone Putty, also known as silicone sealant, is a modern and highly effective alternative to Plumber’s Putty. It’s a rubber-like compound that cures into a flexible and waterproof seal. 

Silicone Putty is made from a combination of silicone polymers, fillers, and curing agents. It is widely used for sealing plumbing fixtures, pipes, and various other materials.

Plumbers Putty vs. Silicone Putty: Dos and Don’ts

Application Surface:

Plumbers Putty is suitable for non-porous surfaces such as porcelain, stainless steel, and certain plastics. 

Silicone Putty, on the other hand, adheres well to a wide range of surfaces including metal, glass, ceramics, and plastics. 

For sealing pipes, particularly those made of plastic material, silicone sealant for plastic is the recommended choice.


READ MORE  5 Ways to Maintain Electricity in Your House

Plumbers Putty vs. Silicone


When it comes to waterproofing silicone sealant reigns supreme. It forms a tight and impenetrable seal that effectively prevents water leaks. 

Plumbers Putty, while it offers a decent level of water resistance, may not provide the same level of long-term waterproofing as silicone putty.


Silicone Putty is renowned for its exceptional durability and longevity. Once cured, it remains flexible and resistant to shrinking or cracking over time. 

Plumbers Putty, however, can dry out and lose its effectiveness over the years, requiring replacement.


Plumbers Putty can be easily removed and reused if necessary, making it a convenient option for temporary installations or repairs. 

Silicone Putty, once cured, cannot be reused, and any remnants must be completely removed before reapplying a fresh layer.

Benefits of Silicone Putty:

Enhanced Versatility: 

Plumbers Putty vs. Silicone


Silicone Putty can be used in a wide range of applications beyond plumbing, including electrical work, automotive repairs, and general household sealing.

Its ability to adhere to various materials and withstand extreme temperatures makes it a versatile choice for many projects.

Excellent Resistance: 

Silicone sealant for pipes offers exceptional resistance to heat, chemicals, and UV radiation, ensuring its effectiveness in harsh environments. 

This makes it an ideal choice for outdoor plumbing installations or areas exposed to direct sunlight.

Ease of Use:

Silicone Putty is relatively easy to apply, thanks to its smooth consistency and self-levelling properties. 

It can be easily shaped and smoothed into place, allowing for precise application and a professional finish.


Plumbers Putty vs. Silicone


While both Plumbers Putty and Silicone Putty have their merits, silicone sealant proves to be a more versatile and reliable choice for plumbing applications. 

Its superior waterproofing abilities, long-term durability, and resistance to various factors make it a preferred option for professionals and DIY enthusiasts alike. 

So, when it comes to achieving leak-free plumbing, silicone sealant is undoubtedly the go-to solution for optimal results.

Read more:
Combi Boiler
Things to Consider While Choosing the Best Combi Boiler