When choosing the right engineered wood flooring thickness, even small differences in thickness can impact the feel, performance, and longevity of your floors. One increasingly popular option is 13.5mm engineered flooring—a slightly thicker-than-average board that offers a perfect balance of practicality, comfort, and long-term value.
If you're wondering what makes 13.5mm flooring different, how it compares to other thicknesses, and where it fits best in the home, this guide covers everything you need to know.
What Is 13.5mm Engineered Wood Flooring?
13.5mm engineered flooring consists of a multi-layered construction: a real wood top layer (also known as the wear layer) bonded to several supportive layers, often made from plywood or high-density fibreboard (HDF).
In a typical 13.5mm board:
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The wear layer is around 2.5mm to 3mm, depending on the product.
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The core layers provide added strength, stability, and moisture resistance.
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The overall board height is slightly thicker than standard 13mm flooring, which improves durability while remaining lightweight and flexible.
This subtle increase in thickness enhances the board’s ability to resist wear and makes it compatible with a wider range of uses around the home.
Why Choose 13.5mm Flooring?
If 10mm feels too thin and 18–20mm feels too bulky (or expensive), 13.5mm boards offer a welcome middle ground.
Benefits of 13.5mm engineered flooring include:
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Greater durability for everyday use, including in busy areas like dining rooms and hallways
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Improved sound insulation compared to thinner boards
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A slightly thicker wear layer, which means a longer lifespan and light sanding potential
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Compatibility with underfloor heating, thanks to its balanced profile
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Easier installation than heavier 18–20mm boards
It’s a smart, long-term investment for homeowners who want a beautiful real wood floor that’s built to last—without the extra weight or cost of premium-thickness options.
Where 13.5mm Flooring Works Best
One of the standout features of 13.5mm engineered flooring is its versatility. It works well in nearly every room in the house, combining structural integrity with natural wood charm.
Perfect rooms for 13.5mm flooring include:
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Living Rooms – Strong enough for daily use while offering warmth and visual appeal
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Dining Rooms – Durable against table legs and foot traffic, and easier to clean than carpet
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Bedrooms – Provides a solid yet comfortable feel underfoot for a cosy atmosphere
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Hallways – Handles moderate traffic and integrates seamlessly with other room types
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Kitchens – Suitable in engineered form, especially when paired with a lacquered finish to protect against spills and moisture
While 13.5mm isn’t typically used in bathrooms (where fully waterproof options like LVT are recommended), it is more than capable of standing up to life elsewhere in the home.

Comparing 13.5mm to Other Thicknesses
To help you understand how 13.5mm engineered flooring sits in the wider market, here’s a quick comparison:
|
Thickness |
Wear Layer |
Sanding Potential |
Durability |
Best For |
|
2mm–3mm |
1 time |
Moderate |
Bedrooms, upstairs rooms |
|
|
13.5mm |
2.5mm–3mm |
1–2 times |
Moderate–High |
Living areas, dining rooms, offices |
|
3mm–4mm |
2 times |
High |
Family spaces, hallways |
|
|
4mm–6mm |
3–4 times |
Very high |
High-traffic areas, long-term wear |
As you can see, 13.5mm flooring offers excellent day-to-day performance and versatility, giving you a little more strength and sanding potential than 13mm boards without jumping to the top end of the price and weight range.
Style and Finish Options
Just like other engineered flooring thicknesses, 13.5mm boards come in a wide variety of finishes and colours, making it easy to find a style that suits your interior.
Popular finishes for 13.5mm flooring include:
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Brushed & Oiled – Highlights the grain for a natural, low-sheen effect
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Brushed & Lacquered – Adds strength with a slightly reflective surface
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Lacquered – Great for easy cleaning and enhanced durability
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Unfinished – Gives you the freedom to customise the look with your own stain or oil
You’ll also find 13.5mm boards available in both plank and parquet styles, giving you plenty of options for classic or contemporary designs.
Underfloor Heating Compatibility
If you’re considering underfloor heating, 13.5mm engineered wood is a great match. Its thickness allows for good heat conduction while remaining stable enough to prevent warping or movement.
Important considerations:
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Always use with water-based underfloor heating systems—not electric ones
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Ensure gradual temperature increases to avoid thermal shock
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Use appropriate underlay and adhesives for best performance
Thanks to its build quality, 13.5mm boards maintain their shape well under fluctuating temperatures, making them ideal for modern energy-efficient homes.
Maintenance and Longevity
Caring for 13.5mm engineered flooring is straightforward and can extend the floor’s life significantly.
Maintenance tips:
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Use felt pads on furniture to prevent surface scratches
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Clean regularly with a soft brush or vacuum (using the hardwood setting)
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Mop lightly with a pH-neutral wood cleaner—avoid soaking
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Reapply oil or polish as recommended based on your floor’s finish
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Use rugs or runners in high-traffic zones for added protection
Thanks to the thicker wear layer compared to 10mm boards, 13.5mm floors can be lightly sanded and refinished once or twice over their lifespan, helping restore the look after years of use.
Try Before You Buy: Order Free Samples
Want to see how 13.5mm engineered flooring will look in your home? Ordering free samples is the best way to compare tones, finishes, and textures in your own lighting and décor setting.
How to Order Your Free Samples:
1. Browse our 13.5mm engineered wood flooring collection.
2. Add your favourite options to your basket.
3. Checkout is completely free.
4. Place the samples in your home to see how they look in different lights and rooms.
Need assistance? Chat with our flooring experts today.
Conclusion
13.5mm engineered wood flooring is a highly practical mid-range option that ticks all the boxes: comfort, durability, easy installation, and style. Whether you're renovating a living space, dining room, or full family home, 13.5mm boards give you the strength and stability you need—without overcomplicating your budget or installation.
With the right care, a 13.5mm floor can provide warmth, beauty, and functionality for many years to come.
Explore more at Flooring365.co.uk.










