- 2–3mm carbonised layer — part of the timber
- Bold alligator-skin texture
- Zero maintenance — ever
- 25–40 year service life
- Colour slowly lightens to charcoal grey
- Best for: houses, extensions, permanent structures
- Pigmented stain or paint on timber surface
- Smooth — no texture change from natural boards
- Re-stain every 3–5 years
- 15–25 year service life (maintained)
- Fades unevenly on south/west elevations
- Best for: budget garden rooms, sheds, outbuildings
Black timber cladding is one of the defining aesthetic choices in contemporary UK architecture — but there are two fundamentally different ways to achieve it, and they are not interchangeable. Charred Shou Sugi Ban cladding and black stained or painted timber look superficially similar in a photograph, but they differ in almost every important dimension: how the black is achieved, how deep it goes, whether it can peel or fade, what it costs upfront, what it costs over 20 years, and what it looks and feels like in person. This complete 2026 comparison covers every dimension of the charred vs stained black cladding decision so you can choose the right specification for your project.
Deep charred Shou Sugi Ban cladding — the 2–3mm carbonised surface layer creates the bold alligator-skin texture and deep matte black that no stain or paint can replicate. The char is not applied to the timber surface — it is a transformation of the timber itself. It cannot peel, crack, or wash off, and requires zero maintenance throughout its 25–40 year service life.
The Fundamental Difference — Char vs Coating
The single most important thing to understand about charred vs stained black cladding is where the black comes from:
- Charred SSB: The black is the result of burning the timber surface at high temperature until a 2–3mm carbonised layer forms. This layer is the timber itself, transformed by heat. It is structural — part of the board — and cannot be separated from it. You cannot peel a char. You cannot wash a char off. The carbonised layer improves the timber's resistance to moisture, UV, biological decay, and insects without any chemical treatment
- Black stain or paint: The black is a pigmented coating applied to the timber surface. It sits on top of the wood rather than being part of it. Like any surface coating on exterior timber, it is subject to UV degradation, moisture cycling, and physical abrasion. It will fade, and must be reapplied every 3–5 years on exposed elevations to maintain the colour and protect the timber beneath
This distinction drives every other difference in the comparison — cost, maintenance, texture, durability, and whole-life performance.
Black stained timber cladding on a UK house extension — a well-maintained black stained specification can look excellent and perform well for 15–25 years. The key is consistent re-application of stain every 3–5 years, factory-applied stain wherever possible, and a naturally durable species (larch or ThermoWood) as the base rather than untreated spruce.
Head-to-Head Comparison
| Property | Deep Charred SSB | Black Stained / Painted |
|---|---|---|
| How black is achieved | Heat transformation of timber — 2–3mm char layer | Pigmented stain or paint applied to surface |
| Upfront cost (spruce base) | from £60.39/m² | from £21–25/m² |
| Upfront cost (larch base) | from £86.99/m² | from £50–63/m² + stain |
| Maintenance | Zero — ever | Re-stain every 3–5 years |
| 20-year total cost | £60–95/m² | £51–105/m² (maintained) |
| Service life | 25–40 years | 15–25 years (maintained) |
| Surface texture | Bold alligator-skin — completely unique | Smooth — same as uncoated board |
| Can it peel or crack? | No — char is structural | Yes — surface coating risk |
| UV fade | Gradual lightening over 10–20 years | Noticeable fading within 3–5 years |
| Colour consistency | Excellent — weathers evenly | Variable — south/west faces fade faster |
| Chemical treatment | None — heat only | Pigmented stain contains biocides |
| FSC / PEFC certified | Yes — all TCS stock | Yes — all TCS stock |
| Order samples | Free — posted 1–2 days | Free — posted 1–2 days |
Cost Over Time — The Real Comparison
Deep charred cladding close-up — the three-dimensional alligator-skin texture of the 2–3mm carbonised layer. This surface depth and texture is the result of the char itself, not any applied coating. Seen and touched in person, it is completely unlike any stained or painted finish — the texture, the warmth, and the matte depth are distinctive in a way no photograph fully captures. Order a sample before specifying.
| Scenario / 20-yr cost | Deep Charred SSB (spruce) | Deep Charred SSB (larch) | Black Stained Spruce | Black Stained Larch |
|---|---|---|---|---|
| Supply cost/m² | £60.39 | £86.99 | £21–25 | £50–63 |
| Stain cost over 20 yrs | £0 | £0 | £30–55/m² | £30–55/m² |
| 20-yr total/m² | £60–75 | £87–105 | £51–80 | £80–118 |
| Maintenance visits | Zero | Zero | 4–6 treatments | 4–6 treatments |
| Risk of early failure | Very low | Very low | High if unmaintained | Low if maintained |
Is black stained cladding cheaper than charred UK? Yes — black stained cladding cheaper than charred upfront. Black stained spruce looks significantly cheaper upfront — £21/m² vs £60.39/m². But the cost gap narrows dramatically over 20 years once treatment is factored in. And unmaintained black stained spruce — which is what happens on many UK buildings — fails structurally within 10–15 years and requires full reclad at £80–150/m². Charred SSB on the same building costs £60/m² once and nothing thereafter. On a permanent building, charred SSB is nearly always the better financial decision.
Texture — The Difference You Can Only See in Person
Charred brushed and stained SSB cladding — the middle ground between deep charred and plain black stained. The char is applied then brushed back to reveal the grain, before a stain is applied. The result is a textured surface with more depth than plain black stain but less boldness than deep charred. Requires re-oiling every 3–5 years. Available from £60.39/m² in black, grey, nut and larch tones.
Texture is where charred and stained black cladding are most obviously different — and it is the dimension photographs capture least well:
- Deep charred texture: The 2–3mm carbonised layer creates a three-dimensional alligator-skin surface where the wood's grain structure is transformed into raised ridges and valleys. In sunlight, the surface catches light across its texture, producing a facade with genuine visual depth. In shadow, it absorbs light almost completely — producing a matte black that is visually very different from any painted surface
- Brushed and stained texture: A lighter char is applied then wire-brushed back, revealing the grain beneath the char. The stain is applied to this textured surface. The result is subtler than deep charred — a slightly raised grain rather than alligator-skin — with a wider colour range available. More refined, less bold
- Black stained texture: The same profile as the board without stain — smooth, flat. The grain is visible through the stain but there is no texture added by the finishing process. It is a colour, applied to an existing surface. The most controlled and consistent result, but the least distinctive
Charred vs stained texture UK — the texture difference between deep charred, brushed and stained, and plain black stained is only fully apparent in person. Photographs — including the ones in this article — cannot convey the depth of the alligator-skin surface or the warmth of the matte black char. Request free samples of all three finishes before committing to a specification. Samples are posted within 1–2 working days at no charge.
Black Stained Cladding — Budget Option Done Right
Budget black cladding UK — black stained Nordic spruce cladding is the most affordable black cladding specification from £21/m². Factory-applied black stain penetrates more deeply than site-applied and produces a more consistent result. On a budget garden room or shed where re-staining every 3–5 years will be maintained, black stained spruce is a practical and cost-effective specification. For a permanent building, charred SSB is the better long-term choice.
When black stained cladding is the right choice — it is important to specify it correctly to maximise service life and minimise the re-treatment burden:
- Specify factory-applied stain over site-applied: Factory application penetrates more deeply, produces a more consistent colour, and extends the first re-treatment interval to 4–5 years versus 2–3 years for site-applied. For any project where appearance consistency matters, factory application is always preferred
- Choose larch or ThermoWood as the base species rather than spruce: Black stained larch or ThermoWood has a naturally durable substrate beneath the stain — if treatment ever lapses, the underlying timber is protected. Black stained spruce has no natural durability — if treatment lapses, biological decay begins relatively quickly
- Use an exterior microporous wood stain, not masonry paint: Masonry paint on exterior timber forms a surface film that cracks and peels as the timber moves seasonally. Microporous wood stain penetrates the timber surface and allows moisture vapour to escape, dramatically reducing the cracking and peeling risk
- A4 stainless fixings throughout: Black stain makes rust staining from mild steel fixings highly visible. A4 stainless fixings are non-negotiable on any black cladding specification. See our PFS+ C2 A4 stainless screws
Deep Charred Profiles — All Options
Deep charred tongue and groove cladding — the full range of standard profiles is available in both deep charred and brushed and stained SSB finishes. Shadow gap, shiplap, batten/PAR, tongue and groove, feather edge, rainscreen, and board on board are all available. See our SSB hub guide for the full profile and size schedule.
Which to Choose — Project by Project
Any permanent building where maintenance access is difficult or costly — scaffolding for re-staining adds £800–£2,000 per application on a house. Zero maintenance over 25–40 years makes charred SSB the clear whole-life value choice on any permanent structure.
Low-value structures where re-staining from ground level is straightforward, and where the lower upfront cost is the priority. Black stained spruce at £21/m² on a garden shed treated every 3–5 years from a ladder is a practical and affordable specification.
When the facade needs to make the strongest possible architectural statement. The three-dimensional alligator-skin texture of deep charred larch is genuinely unlike anything else available in exterior cladding — it reads as premium, bold, and deliberately chosen at a distance no black stain can match.
Brushed and stained SSB is available in grey, nut, and larch tones as well as black — but if a very specific custom colour is needed (a RAL shade, a matched tone), factory-applied exterior stain on larch or spruce gives the most precise and consistent colour result.
Zero maintenance on a commercial building eliminates not just treatment cost but also maintenance access cost (MEWP, scaffold) and the design team liability of a maintenance-dependent specification. Charred SSB is the lowest-risk black cladding specification for architects on commercial projects.
Deep charred SSB on the primary elevation — the street-facing, architecturally critical face — and black stained spruce on sheltered secondary elevations. Reduces material cost by 30–40% while maintaining the visual impact where it matters most.
Shou Sugi Ban charred cladding on a contemporary UK building — the deep matte black and three-dimensional texture create a facade that is immediately recognisable as charred timber rather than stained or painted. The colour gradually lightens to a rich charcoal grey over 10–20 years — a change most architects and homeowners consider an improvement on the original installation colour.
Black Vertical Cladding — Charred vs Stained
Black vertical timber cladding on a UK house — vertical orientation emphasises the height of the facade and works particularly well with the linear grain pattern of both charred and stained timber. Vertical charred SSB in a batten or shadow gap profile on the primary elevation is one of the most popular contemporary UK house cladding specifications in 2026. See our vertical timber cladding guide and our black timber cladding guide.
Is charred cladding better than black stained cladding UK?
For permanent buildings — yes. Charred SSB requires zero maintenance, has a 25–40 year service life, and the char cannot peel or fade like a surface stain. Over 20 years the cost difference narrows significantly. For budget outbuildings where re-staining is practical, black stained spruce from £21/m² is the more affordable choice. See our full SSB deep charred guide.
What is the difference between charred and stained black cladding?
Charred SSB achieves black through heat transformation of the timber itself — a 2–3mm carbonised layer that is part of the board, not applied to it. It cannot peel and requires zero maintenance. Black stained cladding applies a pigmented coating to the timber surface — it must be reapplied every 3–5 years. The texture is also completely different — charred has a bold three-dimensional alligator-skin surface; stained is smooth.
How much cheaper is black stained cladding than charred UK?
Black stained spruce from £21/m² vs charred SSB spruce from £60.39/m² — approximately 65% cheaper upfront. Over 20 years with re-staining every 3–5 years, the gap narrows to approximately £60–75/m² (charred) versus £51–80/m² (maintained stained spruce). Unmaintained black stained spruce costs significantly more long-term through early replacement.
Does charred cladding need maintenance UK?
Deep charred SSB requires zero maintenance throughout its 25–40 year service life — no re-staining, painting, or oiling. The black gradually lightens to charcoal grey over 10–20 years but the cladding continues to perform. Brushed and stained SSB variants require re-oiling every 3–5 years. For genuinely maintenance-free black cladding, specify deep charred.
Can I mix charred and black stained cladding UK — mix charred and black stained on the same building?
Yes — deep charred SSB on the primary elevation and black stained spruce on secondary sheltered elevations is a practical budget strategy. The visual difference between fresh charred and fresh stained is noticeable close-up — the texture and depth of charred is distinctive — but at street distance on a building facade both read as bold black. As both weather, the charred darkens and the stained fades, so the difference increases over time. Best practice: use the same profile in both finishes, and use deep charred on any elevation that is prominently visible.
Order Free Samples — See the Difference in Person
The texture difference between deep charred, brushed and stained, and black stained is only fully apparent with samples in hand. Free samples of the full SSB range and black stained profiles posted within 1–2 working days. Contact us with your project details for a precise quote on any specification.