140mm deX Dual Sided Premium PVC/Mineral Black/Grey Decking 3.66m Image

140mm deX Dual Sided Premium PVC/Mineral Black/Grey Decking 3.66m

SKU: DEX-PDK36BG

Brand: Dex

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Minimal Expansion & Contraction: Stone-mineral core technology provides exceptional dimensional stability in changing temperatures.
Colour Fade Guarantee: Designed to retain its appearance with long-lasting colour performance and fade protection.
Strong Mineral-Core Construction: Advanced stone-mineral core delivers enhanced strength, durability, and rigidity.
UV-Stable Capped Surface: Protective outer layer resists UV damage, staining, moisture, and everyday wear.
Eco-Friendly Materials: Manufactured using sustainable materials for a more environmentally responsible decking solution.

Description

140mm deX Dual-Sided Premium PVC/Mineral Black/Grey Decking 3.66m

The deX Dual-Sided Premium Decking Board combines exceptional durability, modern styling, and low maintenance performance in one innovative decking solution. Featuring a reversible Black and Grey finish, each board offers flexibility in design while delivering the premium appearance of high-end composite decking at an affordable price.

Unlike traditional wood-plastic composites, deX Premium Decking is manufactured with a PVC and stone-mineral composite core containing no timber, making it highly resistant to moisture and virtually eliminating the expansion, contraction, and movement often associated with conventional decking products. The advanced ASA capped surface provides excellent protection against UV exposure, weathering, and colour fading, ensuring the decking retains its appearance for years to come.

Measuring 140mm wide, 25mm thick, and 3.66m long, these decking boards are designed for both residential and commercial applications. Their robust construction delivers excellent durability and slip resistance, while the timber-free composition provides a long-lasting, low-maintenance alternative to traditional timber decking.

Key Features

Dual-sided Black and Grey finish
PVC and stone-mineral composite core
Minimal expansion and contraction
UV-stable ASA protective capping
Moisture resistant and highly durable
Eco-friendly timber-free construction
Suitable for residential and commercial use

With a maximum joist spacing of 350mm centres and an expansion rate of just 0.3mm per metre, deX Premium Decking provides outstanding dimensional stability and reliable long-term performance.

For added peace of mind, deX Premium Decking is backed by a comprehensive warranty covering both structural defects and colour fade, offering 25 years for domestic installations and 15 years for commercial projects.

The 140mm deX Dual-Sided Premium PVC/Mineral Black/Grey Decking Board is the perfect choice for homeowners and commercial projects seeking a stylish, durable, and virtually maintenance-free decking solution built to stand the test of time.

Technical Information

Delivery: 1-2 Working Days
Lead Time: Into Order 3-5 Days
Material: Stone-mineral core
Brand Name: deX
Guarantee: - 25 years (domestic applications) - 15 years (commercial applications)
Size: 140mm(W) x 25mm(H) x 3600mm(L)

Delivery & Returns

Delivery

The despatch timings we publish are estimates and due consideration needs to be made when making purchases with tight deadlines and as such we shall not be liable for any losses, costs, damages, charges, or expenses caused by any delay for delivery of the goods.

Returns Policy For Brissco Online

We appreciate that there may be occasions you may wish to return items. To help you with this process please see our returns policy below.

Returning an item – Damaged

In the event you receive damaged goods we will arrange a replacement item for you. However, it is your responsibility to notify us within 72 hours of receipt that an item has been received damaged (please see risk below).

Returning an item – Risk

On receipt of the delivery you, the customer, are responsible for those goods and any loss or damage to the goods shall be at your own risk.

Returning an item – Incorrect

If you receive incorrect goods it is your responsibility to notify us within 72 hours of receipt at which point we will make the necessary arrangements.

Delivery shortages

Firstly, our carrier delivers parcels/packages. Any shortages of them must be reported to the driver on receipt. Secondly, shortages of contents of the parcel(s)/package(s) against the enclosed Brissco advice note must be made within 72 hours.

PDFs

deX Premium Decking Warranty

deX Premium Installation Guide

FAQs

1. What is deX Premium Decking made from?

deX Premium Decking features a stone-mineral and PVC composite core with a durable ASA protective capping, containing no timber.

2. What are the board dimensions?

Each decking board measures:

140mm Width
25mm Thickness
3660mm Length (3.66m)

3. What does dual-sided decking mean?

The board is reversible, offering two attractive surface finishes, allowing you to choose the look that best suits your project.

4. Does the decking expand and contract?

Very little. The mineral-core construction provides virtually no movement, with an expansion rate of just 1.1mm per board (0.3mm per metre).

5. Is the decking resistant to fading?

Yes, the ASA capped surface is UV stable and backed by a colour fade warranty for long-term appearance retention.

6. Is deX Premium Decking suitable for wet areas?

Yes, the moisture-resistant core and textured surface make it suitable for outdoor environments where exposure to rain and moisture is common.

7. What slip resistance does the decking offer?

The decking achieves the following average Pendulum Test Values (PTV):

Dry: 57
Wet: 48

Providing good slip resistance in both dry and wet conditions.

8. What joist spacing is recommended?

For optimum performance, joists should be installed at a maximum of 350mm centres.

9. Is the decking environmentally friendly?

Yes, deX Premium Decking is manufactured using eco-friendly materials and contains no timber, helping reduce maintenance and environmental impact.

10. What warranty is included?

deX Premium Decking is covered against colour fading and structural defects for:

25 Years – Domestic Applications
15 Years – Commercial Applications

Reviews

Dean

Premium Finish Without the Premium Price

The deX Premium Decking exceeded our expectations in every way. The mineral and PVC construction feels much stronger than traditional composite decking, and the fact that it contains no timber was a major selling point for us. The boards were easy to work with and produced a clean, professional-looking finish. We love the contemporary black and grey colour options, and the decking has instantly upgraded the appearance of our patio area. It's reassuring to know that the material is resistant to moisture, fading, and weathering, making it ideal for year-round use.

NEIL

Modern Look and Excellent Performance

After researching various composite decking options, we decided on deX Premium Decking and couldn't be happier with the result. The boards have a sleek, modern appearance and the reversible colour options are a brilliant feature.

Karen

Outstanding Quality Decking with Minimal Maintenance

We chose deX Premium Decking for our garden renovation and have been extremely impressed with the quality. The boards feel incredibly solid underfoot and have a premium finish that rivals decking products costing significantly more.