Porcelain Cleaning and Sealing in Hampstead
We resolved a long-standing cleaning issue for a Hampstead homeowner by deep cleaning and sealing textured porcelain tiles with PU Sealer — achieving a brighter, easy-to-maintain kitchen floor without the need for replacement.
Initial Consultation & Manufacturer Involvement
Identifying the Problem with Textured Porcelain Tiles
We were contacted by a Hampstead homeowner who had installed textured porcelain tiles in her kitchen. Despite regular cleaning, the tiles remained dull and dirty-looking, with soil embedded into the surface texture. She wasn’t alone—others who had bought the same tile from the same supplier had also reported similar cleaning issues.
The tile supplier escalated the matter directly to the Italian manufacturer, who agreed there was a design flaw. They visited sites to inspect the problem and took full responsibility, covering the cost of all corrective work.
We were brought in to find a reliable, long-term solution that would restore the tile’s appearance and improve day-to-day maintainability in a busy kitchen environment.
Trial Area Testing with PU Sealer
Solving the Problem Through Controlled Testing
We proposed using PU Sealer by Dr. Schutz, a specialist coating that can transform the cleanliness of difficult tile surfaces. To confirm its effectiveness, we carried out a small-scale test in a high-traffic kitchen area. The tile was first deep cleaned and then sealed with a single coat of PU Sealer.
Two months later, the difference was undeniable. The sealed section of the floor looked visibly brighter and remained cleaner than the surrounding tiles, even under heavy daily use. This clear success confirmed our approach, and the client approved full treatment for the entire kitchen.
Full Kitchen Cleaning and Sealing
Deep Cleaning and PU Sealer Application Across 50m²
Following the successful trial, we proceeded with a full deep clean of the porcelain kitchen floor, covering approximately 50m². Using pH-neutral cleaners and mechanical agitation, we removed all embedded dirt. We then applied two coats of PU Sealer, ensuring complete coverage with the correct rollers and curing time.
The transformation was instant — the tiles looked clean, fresh, and visibly brighter. Most importantly, the surface was now much easier to maintain. What had previously been a frustrating, high-maintenance floor was now smooth, protected, and attractive. The client was thrilled with the outcome, and the manufacturer’s confidence in our solution was validated.
Why Porcelain Tiles Are Hard to Keep Clean in Domestic and Commercial Settings
Porcelain tiles are popular for their durability, especially in kitchens and high-traffic areas. However, textured and matte porcelain tiles, particularly the unglazed varieties, can quickly become a challenge to clean. Dirt embeds into the microtexture, mop marks reappear within minutes, and traditional cleaning products often have little effect. This is a common problem for homeowners in Hampstead and throughout North London, as well as for commercial premises using anti-slip porcelain in restaurants, showrooms, or retail spaces.
In this Hampstead project, despite a new installation, the tiles were constantly dull and soiled. This situation is explained in our porcelain tile cleaning blog, which explores glazed vs unglazed porcelain, surface porosity, and modern solutions that actually work.
PU Sealer: A Long-Term Solution for Porcelain Floor Problems
We’ve tested every approach to solve cleaning issues on textured porcelain—acidic cleaners, steam, professional scrubbers—and the only long-term solution we trust is the PU Sealer by Dr. Schutz. This water-based polyurethane coating creates a transparent protective layer over the tile, sealing off the rough surface and making future maintenance simple. It not only prevents grime from penetrating the tile but also restores visual clarity and colour definition.
This method is ideal for:
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Kitchen floors
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Retail showrooms
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Restaurants
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Bathroom floors
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Entrance hallways
In this Hampstead kitchen, the sealed floor performed exceptionally under real-world conditions, offering immediate and long-term improvement in both appearance and cleanability.
Why Replacing Porcelain Tiles Isn’t Always the Best Option
Porcelain tiles are designed to last—but when surface issues arise, replacing them can be expensive, messy, and avoidable. Most cleaning issues relate to improper sealing or surface texture, not material failure. Sealing with PU provides a cleaner, simpler alternative and doesn’t disrupt your home or business.
In this case, sealing the floor cost far less than reinstalling 50m² of tile, and delivered better results than expected.
Related Services for Other Hard Floors
Our porcelain tile restoration is just one of many hard floor cleaning and sealing services we provide across London. Related services include:
Ceramic Tile Cleaning and Sealing
Grout staining, cloudy finishes, and dull tile surfaces can be fully restored using our specialist systems for ceramic floors.
Victorian Tile Cleaning and Restoration
For encaustic and geometric tiled floors, we offer expert cleaning, colour enhancement, and invisible sealing to preserve period charm.
Limestone Cleaning and Polishing
Bring your stone floors back to life with safe polishing and protection from etching and everyday wear.
Amtico & Karndean Floor Restoration
PU Sealer is also used to restore the look and feel of luxury vinyl tiles, giving them long-term durability and a refreshed finish.
Hard Floor Cleaning in London
We handle resin, vinyl, terrazzo, and other floor types with tailored solutions for each material and environment.
All services are eco-conscious, low-VOC, and safe for children and pets. We are also happy to provide free assessments and patch tests before full commitment.
Get a Free Floor Assessment in Hampstead
If your porcelain or tiled floor looks dirty no matter how much you clean, don’t settle for constant frustration. Contact us today to arrange a free floor assessment or test patch in Hampstead or anywhere across London. We’ll help you restore your floor — not replace it.
View all of our services or get estimated costs from our pricing page.
FAQs
Why are my textured porcelain tiles always dirty, even after cleaning?
Textured or matte porcelain tiles — especially unglazed ones — can trap dirt and oils in their micro-texture. This makes them difficult to clean using standard mopping or scrubbing. The issue isn’t with all porcelain tiles but rather with the textured surface finish. Applying a PU sealer eliminates this problem by creating a smooth, protected layer that prevents grime from sticking.
Is PU sealer suitable for domestic kitchens?
Yes. PU sealer is ideal for kitchens and other high-use areas in the home. It’s safe, low-VOC, and helps make textured porcelain tiles far easier to clean, reducing daily maintenance.
Can you seal the porcelain tiles that are already installed?
Absolutely. We specialise in restoring installed floors. After deep cleaning the surface using pH-neutral products and agitation, we apply PU sealer with a specialist roller system. No need to remove or replace tiles.
Will sealing change the look of the tiles?
PU sealer slightly enhances colour and adds a soft, low-sheen finish. It won’t make the floor glossy, but it will improve the overall appearance and uniformity. The finish still looks natural and elegant.
Is this service available outside Hampstead?
Yes. We offer porcelain tile cleaning and sealing throughout London, including Highgate, Chelsea, Camden, and surrounding areas. You can learn more on our hard floor cleaning page.
Do you seal porcelain tiles in commercial spaces?
We do. For restaurants, showrooms, offices, and retail environments where hygiene and ease of cleaning are priorities, we highly recommend PU sealing. Visit our commercial floor cleaning page for more details.
How do I book a test patch or consultation?
Just contact us to arrange a free floor assessment or small test patch. We’ll assess your floor type and recommend the best cleaning and sealing solution based on its finish and usage.
Still have questions?
Contact us for more information.
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At Silver Lining Floor Care, we bring experience and precision to every surface we treat. Our comprehensive services are designed to restore, clean, and protect all types of flooring—helping you maintain lasting beauty, hygiene, and value. Whether it's natural stone, hardwood, or soft furnishings, we've got it covered:
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Whether you need a full transformation or regular upkeep, we’re here to help. Explore all our services and see how we can bring your floors back to life.
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