• About
  • Privacy Policy
  • Contact Me
  • Nav Social Icons

  • Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Home
  • All Posts
  • Interiors
  • Home Improvement
  • Outdoor
  • About
  • Contact
  • Privacy Policy
  • Site Disclaimer
  • Mobile Menu Widgets

    Search

    Follow Along

Unique Design Blog

Interior Design Inspiration Stone, Tile, Home Decor & Lifestyle

  • Interiors
  • Home Improvement
  • Outdoor
  • Recipes
Home » Does porcelain tile need to be sealed for longevity ?
does unglazed porcelain tile need to be sealed

Does porcelain tile need to be sealed for longevity ?

December 10, 2023 · In: Flooring, Home Decor, Home Improvement

Hey there! I’m sure you’ve noticed how popular porcelain tiles have become, both for flooring and wall applications. 

They’re everywhere, right? Well, if you have been thinking a lot about their durability, here is a  crucial question: 

Does porcelain tile need to be sealed for longevity ?

I will talk about everuthing you need to know.

After reading this article you will be able to figure out what sealing does for porcelain tiles and if it’s necessary for their longevity.

Let’s get started…

Important: On this website, I feature a select number of partners and companies that have products that could help my audience. As an Amazon associate, When you purchase something through my partner links, I might get paid for the referral at no extra cost to you. Read the full disclosure here.

This Post is about “Does porcelain tile need to be sealed for longevity ?”

JUMP TO :

Understanding Porcelain Tiles

Sealing Porcelain Tiles: A Necessity or Not?

What is Tile Sealing?

Pros of Sealing Porcelain tiles 

Cons of Sealing Porcelain Tiles

Types of Porcelain Tiles 

How to Determine if Your Porcelain Tiles Need Sealing 

Types of Sealers for Porcelain Tiles

DIY sealing process  – Step-by-step guide

Maintenance Tips post sealing

FAQs

Understanding Porcelain Tiles

does porcleain tile need to be sealed in shower

Let’s get into what porcelain tiles really are. 

You see, they’re made from a refined clay, often referred to as porcelain clay, which is fired at extremely high temperatures. 

This process gives them that incredible durability and water resistance we all love. 

Now, there are different types of porcelain tiles to consider.

Glazed  & Unglazed Porcelain

First, you have the unglazed porcelain tiles, which have a natural, earthy look. 

Then there are the polished porcelain tiles, which are ground and polished for a shiny, more sophisticated finish.

And get this, there’s quite a variety when it comes to types of porcelain. 

The manufacturing techniques can vary, especially among European manufacturers who are known for their high-quality standards. 

This is why you often see porcelain floors in many modern homes and commercial spaces. 

They’re not just about looks; they offer a blend of durability and versatility that’s hard to beat. 

They are less porous than other types of tiles, which is a key factor in determining the need for sealing.

So, whether it’s a sleek, polished finish or a more rugged, unglazed look, porcelain tiles have got you covered for both style and function.

Sealing Porcelain Tiles: A Necessity or Not?

There’s an ongoing debate among experts about whether porcelain tiles need sealing. 

The answer depends on various factors, including the type of porcelain tile and its location.

What is Tile Sealing?

sealing tile

Okay, so when we talk about tile sealing, think of it like this: it’s like putting a thin layer of armor on your tile surface. 

This barrier treatment is all about keeping your tiles looking sharp and free from stains or damage. 

And you know how we all love that smooth surface on our tiles, right? Well, sealants help maintain that. 

They come in different types, like penetrating and topical ones, each designed for a specific job. 

It’s like choosing the right shield to keep your tiles safe and sound.

Protection Against Common Tile Enemies

Sealing is your best defense against everyday enemies like stains, moisture, and wear. 

Imagine spilling something on your tile and instead of a stain, it just wipes right off. 

That’s the power of a good sealer at work. It’s like giving your tiles a superpower against messes and spills.

Types of Sealants and Their Uses

Now, not all sealants are created equal. 

We’ve got penetrating sealants that soak into the tile, fortifying it from within. 

And then there are topical sealers that sit on the surface, creating a protective barrier.

Depending on what your  porcelain floor tiles are up against, the use of a sealer can be decided.

It’s like choosing the right armor for your tile based on where it’s installed and what it’ll face.

Sealing Porcelain Tiles: A Necessity or Not? 

does porcelain tile have to be sealed

There’s an ongoing debate among experts about whether porcelain tiles need sealing. 

Sealing porcelain tiles is not always a necessity, but it can be beneficial in certain situations. 

The answer depends on various factors, including the type of porcelain tile and its location.

Evaluating the Need for Sealing in Various Settings

So, when it comes to sealing porcelain tiles, one size doesn’t fit all. 

Let’s consider outdoor areas, for instance. 

Here, the type of porcelain tile you use, especially if it’s a textured surface or a type designed for outdoor use, might demand sealing for extra protection against the elements.

Type and Texture of Porcelain Tiles

Speaking of types, each type of tile, whether it’s for your wall, floor, or a specific architectural feature, has its own needs. 

Unglazed tiles, for example, with their beautiful matte finish and natural texture, might absorb more water. 

Here, a sealer can play a crucial role in preventing damage.

How to Pick : Horizontal vs Vertical Bathroom Tiles

Understanding Tile Properties and Sealing Necessity

It all boils down to understanding the properties of your tiles. 

Take the water absorption rating of your porcelain tiles. 

If it’s high, sealing becomes more than just a good idea – it’s a necessity. 

And then there’s the finish. 

A tile with a slight sheen or a high silica content might react differently to sealing compared to others.

The Role of Sealer Ingredients and Finishes

We also can’t ignore the active ingredients in sealers. 

Depending on what your tiles are exposed to, these ingredients can make a huge difference in protecting your tiles. 

It’s not just about the surface look; it’s also about maintaining the tile’s integrity over time.

Pros of Sealing Porcelain tiles

does porcelain tile need to be sealed before grouting

Sealing your porcelain tiles can be the best choice for certain types, especially in areas prone to spills and stains. 

It’s a good idea because it offers enhanced protection, which can extend the lifespan of your tiles. 

This is particularly true for new tiles or shower tiles, where moisture is a constant factor. 

A quality tile sealer acts as a barrier, guarding against water damage and general wear.

Cons of Sealing Porcelain Tiles

However, it’s not all smooth sailing. 

There’s a common misconception that sealing is always beneficial, but it does come with drawbacks. 

The cost of the sealer and the application process can add up, especially for larger areas. 

Additionally, sealed tiles require regular maintenance to keep the sealant effective. 

And let’s not forget the risk of discoloration – some sealers can alter the appearance of your tiles over time, 

especially if applied incorrectly or on sensitive tile surfaces.

​ 

Types of Porcelain Tiles

Okay, so when we’re talking about porcelain tiles, there are mainly two types to consider: glazed and unglazed. 

Glazed Porcelain Tiles

Now, glazed tiles, they go through this special polishing process. 

What happens is, they add a liquid glass layer right on the surface of the tile. 

This not only gives them a glossy, polished finish but also strengthens them. 

It’s pretty amazing how it transforms the resulting porcelain, making it ideal for areas where you want a bit of shine and extra protection.

Unglazed Porcelain Tiles

dark floor tiles in living room

On the other hand, unglazed tiles are all about keeping it real and raw. 

They don’t go through this glazing process, so the natural beauty of the resulting porcelain is what you get. 

These tiles are tough! 

Since the color and material run deep through the entire tile, they’re great at handling wear and tear. 

Plus, their unpolished surface offers a natural grip, making them a smart choice for busy areas like entryways or commercial spaces. 

So, whether you choose glazed or unglazed really depends on where you’re putting them and what kind of look and function you’re going for.

​ 

How to Determine if Your Porcelain Tiles Need Sealing

Conducting Simple Tests at Home

Figuring out if your porcelain tiles need sealing can be pretty straightforward. 

Here’s a simple test you can do: just sprinkle a few drops of water on the surface of the tile. 

Watch closely to see what happens. If the water beads up, you’re likely good to go, and your tiles might not need sealing. 

But if the water soaks in, that’s a sign your tiles are more porous and could benefit from a protective seal.”

Seeking Professional Consultation

Of course, there’s nothing like getting a professional opinion. 

If you’re not sure about the results of your water test or if you have unique or high-value tiles, it might be worth consulting a tile expert. 

They can assess your specific situation, considering factors like tile location, usage, and the type of porcelain tile you have. 

This way, you get tailored advice on whether sealing is necessary for your tiles.

Types of Sealers for Porcelain Tiles

Easy to Clean shower Tiles ideas

Understanding Different Types of Sealers

When it comes to sealing porcelain tiles, the type of sealer you choose makes all the difference. 

Basically, we’ve got two main types: penetrating sealers and topical sealers. 

Penetrating sealers

Penetrating sealers, as the name suggests, seep into the tile, providing protection from within. 

They’re great for polished porcelain tiles where you don’t want to affect the tile’s natural sheen. 

Topical sealers, 

Topical sealers, on the other hand, sit on the surface of the tile, creating a protective barrier. 

These are excellent for areas where the tiles might face more wear and tear.”

Glazed Tile Vs Unglazed: What is the Difference

Choosing the Right Sealer for Your Tile Type

Your choice of sealer should match the type of porcelain tile you have. 

For a porcelain tile floor in high traffic areas or commercial applications, a durable sealer that can withstand a lot of foot traffic is essential. 

Topical sealers can be a good fit here, as they form a hard protective layer on the surface.

Sealers for Specific Applications and Environments

For areas exposed to moisture, like bathrooms or kitchens, you want a sealer that’s specifically designed for wet environments. 

Grout sealers are also crucial in these areas to prevent mold and mildew. 

Remember, the right porcelain sealers not only protect the tile but also help maintain its appearance over time

Step-by-Step Guide on How to Properly Seal Porcelain Tiles

I like this video by Atlas Ceramics

Preparation: 

Cleaning the Tile Surface“

First things first, it’s essential to start with a clean surface. 

Whether you have unglazed or polished porcelain tile, make sure the tile is free of dust, dirt, and any grime. 

A thorough cleaning ensures the sealer adheres properly.

Choosing the Right Sealer

Next up, pick the right sealer. 

For unglazed porcelain tile, a penetrating sealer is usually recommended as it absorbs into the tile, protecting it from within. 

For polished porcelain tile, consider a topical sealer that forms a protective layer on the surface without dulling the shine.

Applying the Sealer

Now, for the application. If you’re using a topical sealer, apply it evenly with a clean, lint-free cloth or a specific sealer applicator. 

Be sure to cover the entire surface. For penetrating sealers, follow the same approach but remember that these sealers will soak into the tile, so ensure an even application.

Allowing Time to Dry

After applying the sealer, give it time to dry. 

The drying time can vary based on the type of sealer and the environment, so refer to the sealer’s instructions for specific guidance. Avoid walking on the floor during this time.

FREE CHECKLIST : 10 THINGS YOU NEED TO KNOW BEFORE YOU START YOUR KITCHEN REMODEL

Applying a Second Coat (If Necessary)

For some types of sealers, especially topical ones, a second coat might be necessary. 

This is particularly true for high-traffic areas or tiles in wet environments.”

Final Steps: Cleaning Up and Curing

Once you’ve applied the last coat, clean up any excess sealer from the tile surface.

Then, allow ample time for the sealer to cure fully. 

This curing process is vital for achieving the full protective benefits of the sealer.

Remember, sealing your porcelain tiles is an essential step in maintaining their durability and appearance, especially in areas prone to moisture or heavy use.

Maintenance Tips post sealing

small bathroom neutral with scandi mix

Regular Cleaning Routine

Maintaining your sealed porcelain tiles starts with regular cleaning. 

Use a gentle grout cleaner to keep the grout lines crisp and clean. 

For the tile surface, a mild detergent free of harsh chemicals should do the trick. 

This routine helps preserve the protective layer created by the sealer application, ensuring your tiles stay beautiful and intact.”

Avoiding Harsh Chemicals

Be cautious about the cleaning products you use. 

Different products can have varying effects on your sealed tiles. 

Avoid harsh chemicals that might strip away the sealer or damage the surface. 

Stick to cleaners that are safe for sealed tiles.”

Monitoring Grout and Tile Condition

Keep an eye on the grout and tile condition. 

Porous grout can be a sign that your sealer is wearing off. 

If you notice the grout absorbing water or stains, it might be time to reapply the sealer.”

Reapplying Sealer: Knowing When and How

The frequency of sealer application depends on the tile’s location and usage. 

High-traffic areas or floors in moisture-prone rooms might need resealing more often. 

Look for signs like dullness on the surface or water not beading up as signs that it’s time to reapply. 

Remember, the use of a penetrating sealer is ideal for unglazed tiles, while a surface sealer works best for polished tiles.”

By following these maintenance tips, you can extend the life of your sealed porcelain tiles, keeping them looking fresh and functional for years to come.

FAQs

Do all porcelain tiles need sealing to prevent water damage?

Not all porcelain tiles need sealing. 

Tiles with such low water absorption, like most glazed porcelain tiles, are less prone to water damage and may not require sealing. 

However, unglazed tiles, like natural stone tiles, can benefit from a protective sealer.

Can sealing porcelain tiles improve slip resistance?

Sealing can slightly improve slip resistance, especially in porcelain paving or tiles used in outdoor areas. 

However, it’s not a guaranteed solution. 

For safety, choose tiles designed for slip resistance.

How often should I reseal my porcelain tiles in high-traffic commercial applications?

In commercial settings, resealing might be an important step more frequently due to higher wear. 

Look for signs like dullness or grout stains as indicators that it’s time to reapply the sealer.

Does sealing affect the appearance of my porcelain or ceramic tiles?

Proper sealing should not alter the appearance of your tile. 

However, always test the sealer on a small, inconspicuous area first. 

Sealers can enhance the color and add a sheen to some tiles.

Easy Guide: Pros and Cons of Large Format Tiles

What temperature is ideal for applying sealer to porcelain tiles ?

The best temperature for sealer application is typically around room temperature, around 20 degrees Celsius. 

Extreme temperatures can affect the sealer’s performance.

Is there a difference in sealing wall tiles versus floor tiles?

The basic process of sealing is similar for both wall and floor tiles. 

However, floor tiles, especially in high-traffic areas, might require a more durable sealer compared to wall tiles.

Can sealing porcelain tiles prevent the presence of small amounts of grout haze?

Yes, sealing can help in preventing grout haze, as it stops the grout from penetrating the microscopic holes on the tile’s surface. 

Use a dry rag to wipe off any excess sealer to avoid haze.

How does sealing impact the manufacturing process of porcelain tiles?

Sealing is usually done post-installation and is not a part of the manufacturing process. 

It’s an additional step to enhance the tile’s performance and longevity.”

Will sealing my porcelain tiles require the use of abrasives for maintenance?

No, in fact, using abrasives on sealed tiles is not recommended as it can wear down the sealer and damage the tile. Gentle cleaning is key.

This Post was about “Does porcelain tile need to be sealed for longevity ?”

1 shares
  • Facebook
  • Email

By: Simi Kapoor · In: Flooring, Home Decor, Home Improvement

About Simi Kapoor

Simi boasts 8 years of experience in the Stone & Tile industry, with extensive expertise in natural stone and tiles. She specializes in improving home spaces collaborating closely with interior designers, contractors, and homeowners.

you’ll also love

quartz countertop weightEasy Guide: Understanding Granite Countertop Weight
backyard pool and kitchen designs30 Stunning backyard pool and kitchen ideas to copy 
how to remove granite countertop that is glued onHow to remove a Granite Countertop: Step by Step

Free Checklist

Navigate your kitchen Remodel confidently: The Ultimate planning and budgeting checklist.

Read More

Reader Interactions

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Next Post >

How to choose the best color for Pool waterline tile

Primary Sidebar

Meet Simi

Meet Simi
Hi there !

I am so glad you are here. I am a natural stone lover, have worked at a stone & tile gallery for 8 years. My blog features all the different topics around stone & tile. My goal is to help you find answers and assist you in making the right decisions for your projects.

Read More

Latest Posts

eclectic 21

21 Eclectic Living Room Ideas to Inspire you

midcentury

21 Mid Century Modern Living Room Ideas for your home

modern farmhouse ext

25 Modern Farmhouse Exterior Ideas for your home

Footer

On the Blog

  • Interiors
  • Home Improvement

Info

  • About
  • Contact
  • Privacy Policy
  • Site Disclaimer
  • Affiliate Disclaimer

Copyright © 2025 · Theme by 17th Avenue

1 shares