Millboard Decking: The Ultimate in High-Performance, Low-Maintenance Decking

London Stone enhanced our service offering back in 2016 when we became the first stone supplier in the UK to stock Millboard Composite Decking, a premium composite product that delivers the beauty of real wood without the drawbacks. Manufactured in the UK, over a million boards have been laid, their versatility and resilience making it the decking of choice at iconic locations like The All England Club, Kew Gardens and Chester Zoo.

With a vast array of colours, textures and styles to choose from, Millboard Decking is ideal for a wide range of outdoor applications, including garden spaces, roof terraces and balconies, where natural aesthetics and durability are key. Homeowners, landscapers and commercial developers all love its low-maintenance requirements.

Why Choose Millboard Decking?

Millboard Decking is a cutting-edge composite product that replicates the natural beauty of timber while eliminating common issues like rot, warping and algae growth. Its composition of resin-mineral-based materials is completely wood-free, which helps deter splinters, mould and deterioration. The moulds for each product are taken from real timbers, which is one of the reasons it looks so realistic. Boards are finished with an advanced surface and that ensures an authentic, non-repeating texture.

Millboard’s anti-slip surface offers superior grip, even in wet conditions, making it a practical choice for outdoor spaces. With minimal maintenance required, there’s no need to worry about ongoing treatments, painting or staining—simply enjoy a long-lasting, natural-wood appearance.

Aesthetic Versatility and Design Options

Millboard comes in two main collections to suit design preferences:

Enhanced Grain Collection: This collection comprises of seven colours, mimicking the clean, smooth lines of natural timber, perfect for those looking for a modern, sleek decking solution.

Weathered Oak Collection: Ideal for a rustic, aged look, Weathered Oak boards are slightly wider than the Enhanced Grain, and designed to resemble antique timber, adding character and charm to any outdoor space.

Kent-based designer Karen McClure paired the grey tones of Smoked Oak Millboard and Urban Grey Porcelain in this large family garden in Sevenoaks. Millboard’s anti-slip and hard-wearing properties make it a great choice for poolside or coastal projects.

Gloucestershire-based landscapers Garden Solutions constructed a magnificent tiered garden, creating a stunning showcase for Coppered Oak Millboard. Using Millboard as decking, fascias, steps and cladding, this project demonstrates the versatility of the materials, whilst providing a long-lasting, beautiful scheme. The decking has been paired with our Gea Porcelain, for a light-enhancing paleness and textural contrast.

Cheshire’s Robert Hughes Garden Design used the charcoal tones of Burnt Cedar Millboard to contrast beautifully with pale, cream-coloured natural stone in this incredible contemporary garden with outdoor bar. We especially love the way the mix of hard-landscaping materials draws the eye across the space, whilst working in harmony with the extensive lawns and luscious planting.

Smoked Oak and the paler grey tones of Limed Oak Millboard create a bespoke composite decking bench for dining, with a decked area under a wooden pergola for relaxation in a project by Bristol-based Outerspace Creative Landscaping, who said of the composite decking, "We use Millboard Composite Decking for a wide variety of projects as it is dimensionally and UV stable, which means it can be laid with minimal tolerances and maintains its colour and grain over time. However, what is truly unique about this product, compared to other composites, is it can be used in similar way to timber, providing unlimited scope to design and construct built-in seating, raised planters and steps alongside decking structures with no visible fixings or ugly junctions."

Landscape Artisan combined the vintage tones of Embered Millboard with rustic-looking Cotswold Clay Pavers to adorn a gorgeous garden studio project. Using hard-wearing materials like Millboard, and clay paving ensures a lower-maintenance finish than lighter colours and more porous materials such as sawn sandstone.

Gardens Of The Future are no stranger to using London Stone materials in stunning contemporary gardens such as this incredible outdoor space. Using the naturalistic brown tones of Vintage Millboard to contrast against the modern grey colours of Black Granite Plank Paving and Vintage Grey Premium DesignClad, the result is a garden that is as beautiful as it is practical.

Highlighting Millboard’s hyper-likeness to real timber, Surrey’s Bushy Business created a garden oasis using Driftwood Millboard. The aged-looking composite decking is especially at home in this design as it meanders through the space, ready for a natural water cascade to run beneath the deck boards. Unlike traditional timber, Millboard is impervious to rot in wet conditions. It will retain its looks for years to come and does not need staining or treating once laid.

Edging Options for a Seamless Finish

London Stone stocks a range of Millboard edging options to ensure your project has a flawless finish. Choose from square edging, bullnosed boards, or flexible bullnosed edging for creating curved designs. These options are perfect for steps, borders, or areas where a polished, safe edge is required. The flexible bullnosed edging is especially useful for projects involving curved or intricate designs, offering both style and practicality. Fascia boards can be used to create a seamless vertical surface for raised decks or steps. Urban Landscape Design’s Holly Youde says, "Millboard decking consistently impresses clients with its realistic warmth. The thoughtful addition of fascia boards ensures a professional finish."

Perfect for Roof Terraces and Balconies

Due to its lightweight yet durable nature, Millboard is ideal for installations on roof terraces and balconies. Its resistance to weathering ensures that the decking remains beautiful year after year, even in exposed conditions. Unlike natural wood, Millboard won’t shrink or expand significantly with changes in temperature, making it perfect for elevated or confined spaces where weight and stability are concerns. Here’s a stunning example of a rooftop garden in Golden Oak Millboard, created by Georgia Lindsay Garden Design.

Commercial Applications: Proven Performance at Iconic Locations

Millboard’s exceptional durability makes it a prime choice for commercial spaces. Legoland, in Windsor, and Kew Gardens have both chosen Millboard for its hard-wearing properties and aesthetic appeal. Whether it's accommodating thousands of visitors or withstanding the demands of busy public areas, Millboard's robust construction ensures it maintains its look and integrity over time.

For businesses and commercial properties seeking an impressive outdoor solution, Millboard offers an excellent return on investment with minimal maintenance and upkeep costs. Its slip-resistant, algae-resistant surface provides safety for public use, while its eco-friendly composition aligns with sustainable building practices.

London Stone was proud to supply the Golden Oak Millboard to the Floating Pocket Park in London’s Paddington: a contemporary, waterborne public garden, designed by the multi-award-winning Tony Woods, of Garden Club London.

Installation: Simple and Efficient

Millboard Decking is designed for easy installation, making it an ideal choice for both professional landscapers and DIY enthusiasts. It can be installed over a variety of subframe systems, including wood and composite joists, offering versatile solutions for creating raised decking areas. Adjustable pedestals, cradles and other ancillaries ensure that the decking is level, even on uneven ground or surfaces.

Millboard’s unique hidden fixing system means that no screws or fasteners are visible once the boards are in place, contributing to its clean, sophisticated finish. Self-drilling screws make installation fast and secure, while the Lastane® surface ensures a long-lasting, low-maintenance installation. Watch Millboard’s best practice guide for installation.

For a comprehensive video guide on installation, watch how to install Millboard.

Millboard Composite Decking FAQs

What is Millboard made from?

Millboard is made from a blend of resin and mineral materials, making it 100% wood-free. This ensures durability and resistance to rot, mould and algae.

Is Millboard slippery when wet?

No, Millboard features an anti-slip surface that provides excellent grip, even in wet conditions, making it a sound choice for high-traffic areas or spaces near water features.

Can Millboard be used on roof terraces and balconies?

Yes, Millboard’s lightweight composition and weather-resistance make it an ideal choice for roof terraces and balconies. Composite decking doesn’t significantly expand, shrink, or warp, making it perfect for exposed or elevated environments.

How do I clean and maintain Millboard Decking?

Millboard is very low-maintenance. Simply use a mild detergent and water to clean the surface periodically. There’s no need for staining, painting, or sealing, as the boards are designed to retain their appearance over time. Read more about maintaining Millboard Decking.

How long does Millboard last, and will it fade?

With proper care, composite decking can last decades without losing its structural integrity or aesthetic appeal. Millboard is incredibly durable. It is important to note that the surface of each board is hand-coloured and will fade up to 10% in the first 6 weeks to 6 months after installation, as the wax layer from manufacturing weathers off.

Does Millboard come with a warranty?

Yes, you can apply for a 25-year residential warranty or a 5-year commercial warranty, provided that Durafix® Screws have been used to connect the decking to the appropriate subframe. This guarantee provides peace of mind for both homeowners and commercial property developers, alike.

Can I use Millboard around a swimming pool?

Absolutely. Millboard’s anti-slip properties make it an excellent choice for areas around swimming pools or other water features, like ponds, plunge pools and hot tubs.

Is Millboard environmentally friendly?

Millboard is made from sustainable materials and is fully recyclable at the end of its life, making it an eco-conscious choice for your outdoor projects. Learn more about Millboard’s sustainable practices.

Can I view Millboard composite decking in your showrooms?

Yes! Our network of nationwide showrooms provide inspirational hubs where you can view our materials in person, before buying. You will never receive a ‘hard sell’ approach from London Stone – our showrooms offer a relaxed atmosphere, with complimentary refreshments and free customer Wi-Fi. Our friendly, expert sales staff are always on-hand to answer any questions you have, and to guide you into making the right choice for your project.

We encourage you to visit a showroom prior to purchasing, as most customers find viewing materials in person highly beneficial. If you can’t make it to a showroom in person, take a virtual tour of our flagship Birmingham showroom in HD quality.

How do I contact London Stone?

There are a number of ways to contact us, including via WhatsApp chat, phone, email, or in person. Our trading hours are Monday – Saturday, 08.30 – 17.00.