Is Millboard Decking Worth the Money?
Millboard is one of the more premium decking options available in the UK, so it's completely reasonable to ask:
Is Millboard decking actually worth the money?
For many projects, our answer is yes – particularly where appearance, low maintenance, durability and long-term quality are priorities.
But that doesn't mean Millboard is automatically the best choice for every garden or every budget. A straightforward deck where keeping initial cost as low as possible is main objective may be better suited to another composite product or correctly specified timber.
The key is understanding what you're paying extra for.
Why Is Millboard More Expensive?
Millboard shouldn't be compared purely on basis that both it and conventional composite board are sold by linear metre or square metre.
Their construction can be fundamentally different.
Many conventional composite decking products are wood-plastic composites (WPC) made from combinations of wood fibres, polymers and additives. They are typically extruded.
Millboard uses different construction. Its current Enhanced Grain and Weathered Oak boards are manufactured using wood-free resin-mineral composite core with flexible Lastane surface. The boards are moulded from real timber masters and hand-coloured to recreate grain and variation of natural wood.
That manufacturing approach is one reason Millboard sits in different part of market from basic composite decking.
Is Millboard Actually Composite Decking?
Yes, Millboard is composite material, but it isn't conventional wood-plastic composite decking.
The word composite simply means material combines different components. Millboard's current Enhanced Grain products are described by manufacturer as using polyurethane resin and mineral composite construction and being 100% wood-free.
This differs from traditional WPC decking, where wood fibres form part of board. Therefore comparing Millboard with another product simply because both are called composite decking can be misleading. See Millboard vs Composite Decking: What's the Difference?
What Are You Paying For With Millboard?
Based on manufacturer information and installer feedback, premium price reflects:
detailed timber reproduction moulded from real boards, not extruded pattern
wood-free construction — no timber content in board itself
hand-coloured surfaces with variation between boards
low-maintenance characteristics — no staining or oiling required
published slip performance
dimensional stability and resistance to rot, warp and insect damage
hidden fixing possibilities with Durafix system
established technical documentation and 25-year residential warranty
Whether those features justify price depends on what you value in finished project.
What People Like Most About Millboard — From Real Reviews
Across UK trade and homeowner feedback, same positives come up repeatedly:
1. Looks more like real timber. Installers and Houzz reviews consistently highlight realistic wood grain and lack of repeating patterns as biggest difference vs standard composite. Millboard is moulded from handpicked real boards to capture knots and grain, then hand-finished so very little visual difference between real timber and Millboard.
2. Low maintenance in UK weather. Unlike timber which rots, splits, splinters, fades and gets slippery and needs constant maintenance, Millboard doesn't require painting, staining or treatment and looks great and performs perfectly as soon as you install it. Long-term, many find extra upfront cost makes financial sense because timber needs to be treated and cleaned regularly.
3. Slip resistance and stain resistance. Non-porous Lastane surface is similar principle to non-slip soles, giving improved grip and greater resistance to stains. Reviewers note you can simply wipe clean spillage like red wine or oily foods. Millboard is also reported as not likely to attract algal growth that can make decked areas dangerously slippery.
4. Long warranty. Current Enhanced Grain and Weathered Oak carry 25-year residential warranty, subject to conditions.
The Cons — Honest Feedback
To give balanced view, here are negatives that come up online and how we see them on site:
1. Price. This is number one complaint. Millboard is significantly more expensive than traditional wood and even other composite brands. On forums, homeowners often note you can get all joists and wood decking for under £300 for 16m2 area, while Millboard alone was £900-£1300 for same area. Standard composite starts from £6.44 per metre and Millboard from £18.88 per metre at some merchants. Average board-only cost often quoted £90-£110 per m2 excluding installation. Millboard itself acknowledges composite can come at premium price over aluminium.
Our take: If budget is main driver and deck is secondary area, cheap composite may be better value. If deck is major architectural feature outside large doors, premium appearance often justifies additional investment.
2. Heat retention. Millboard can get quite hot under direct sunlight, which can be uncomfortable on bare feet. Darker colours hold more heat than lighter ones, black being hottest. This is something Millboard itself acknowledges. Solution is colour choice — lighter Enhanced Grain Limed Oak, for example — plus pergolas, planting and parasols for south-facing gardens.
3. Availability and installation. Not every contractor works with Millboard and finding it in stock can sometimes be challenge, installation can be more intricate than other materials. Boards are individually hand-moulded and require proper layout to distribute colour variation naturally.
4. Not A1 fire rated. Possible downside of Millboard decking — composite decking is not as fire resistant as aluminium. For balconies on relevant buildings above 11m in London, A1/A2fl-s1 aluminium or porcelain on A-rated pedestals is required. Millboard remains excellent for ground-level gardens, raised domestic decks and many roof terraces where fire rating is not triggered. See Fire Rated Decking UK: Non-Combustible Decking for Balconies & Terraces in London.
Millboard vs Standard Composite vs Timber
Feedback summary:
Timber — lowest initial cost, natural character, but needs regular maintenance, becomes slippery when wet, quickly loses appeal, rotting, fading, staining.
Standard WPC composite — lower maintenance than timber, but some still suffer same issues with algae, fading and slippery surface. Appearance can appear more uniform and less natural than Millboard.
Millboard — middle ground in terms of aesthetics vs maintenance as it looks like real wood and requires virtually no maintenance over life of its 25 year warranty, but most expensive material cost.
Does Millboard Rot, Fade or Need Painting?
Boards themselves are wood-free, so not vulnerable to timber rot in same way as natural wood. They do not require routine painting, staining or oiling.
Low maintenance does not mean no maintenance — deck still needs sweeping and occasional cleaning. Algae cannot latch onto Lastane surface in same way, but shaded areas beneath trees still need attention. Manufacturer states boards are coloured with pigments non-susceptible to UV damage and highly resistant to stains and fading, but some natural weathering should be expected.
Aggressive chemicals or inappropriate pressure washing shouldn't be used.
What Frame Should Be Used Under Millboard?
Premium board over inadequate structure is still inadequate decking system. Subframe options include treated structural timber, recycled plastic, aluminium, galvanised steel and proprietary systems such as DuoSpan.
Right choice depends on deck height, spans, moisture exposure, structural loads and expected lifespan. For straightforward terrace, appropriately specified timber may be suitable. For roof terrace or premium low-maintenance installation, aluminium or recycled-plastic may offer advantages. For large raised or heavily loaded structures, bespoke galvanised-steel frame measured, cut, welded and assembled on site may be appropriate. See Timber vs Steel Decking Frames: Which Is Best?
If you're investing substantially in premium boards intended for long-term use, subframe should have compatible durability — spending thousands on premium boards then compromising drainage or timber treatment to save relatively small amount can be false economy.
Does Millboard Get Hot or Slippery?
Yes, can become warm or hot in strong direct sunlight — darker boards particularly. Does not make it unsuitable for south-facing gardens, but colour and shade should be considered. See Does Millboard Decking Get Hot in the Sun?
For slip, Millboard publishes BS 7976-2 Pendulum Test Values. Current technical information reports wet PTV values in low-slip-potential range for principal collections — considerably more useful than manufacturer simply describing product as non-slip. No outdoor surface is impossible to slip on where ice, algae or grease present.
So, Is Millboard Decking Worth the Money?
For right project, yes — and that's our professional opinion as Approved Installers who install both Millboard and other systems.
Millboard is worth it when:
premium appearance matters
deck forms major feature outside house
you want realistic timber character without regular oiling and refinishing
low maintenance and resistance to rot and algae are priorities
terrace is viewed directly through large glazed doors, steps, picture-frame borders and fascia details matter
It may NOT be worth it where budget is very limited, deck is temporary or rarely used, genuine natural timber ageing is specifically desired, or A1/A2 fire classification is required for balcony on relevant building.
Don't compare Millboard on board price alone. A decking quotation also includes foundations, subframe, fixings, labour, waste, steps, fascia, balustrades, lighting and access. If substructure and labour are substantial parts of overall project, percentage difference in final installed cost can be different from percentage difference between board prices. Compare complete installed systems, not just online board prices.
Value isn't same as cheapness. Value is what you receive for money over period you intend to use product.
As one balanced review puts it: Millboard decking is fantastic option if you prioritise aesthetics, durability and low maintenance — but essential to weigh cost against budget.
Professional Millboard Installation in London & Essex
At Decking Gurus, we are Approved Millboard Installers specialising in premium Millboard decking across London, Essex and Home Counties.
We install Millboard for garden terraces, raised decking, roof terraces, outdoor kitchens, garden rooms and complete transformations. Depending on project, structures can incorporate treated timber, recycled-plastic, aluminium or galvanised-steel subframes, together with bespoke steps, lighting, seating, planters, privacy screens and balustrades.
If you're considering Millboard, compare it with alternatives based on complete installed system, expected maintenance, appearance and long-term value – not simply initial board price.
Continue Reading
Millboard vs Composite Decking: What's the Difference?
How Long Does Composite Decking Last?
Does Millboard Decking Get Hot in the Sun?
Is Composite Decking Slippery When Wet?
Timber vs Steel Decking Frames
