Description
These 4m European Larch Wood Cladding 144mm x 19mm Tongue and Groove Boards offer a durable, attractive, and long-lasting solution for exterior wall cladding.
Made from slow-grown Northern European Larch, this naturally robust softwood is well known for its excellent resistance to decay, making it ideal for outdoor applications without the need for chemical treatment.
The 144mm x 19mm tongue and groove profile provides a strong, stable fit, creating a clean, seamless finish that enhances both traditional and modern architecture. With a face coverage of 137mm, these boards deliver outstanding coverage and structural reliability, while maintaining a sleek, contemporary appearance.
Supplied untreated, European Larch naturally weathers beautifully over time, transforming from warm golden-brown tones to an elegant silver-grey patina. For customers wishing to preserve the original colour and improve weather resistance, we highly recommend applying OSMO stain, which helps protect against moisture, UV damage, cracking and timber movement.
Each board is planed smooth for a premium finish and available in multiple lengths, making it easy to achieve a professional result for projects of any size.
Key Benefits
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Naturally durable European Larch softwood
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Strong tongue and groove design for secure installation
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Excellent resistance to decay and weathering
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Smooth planed finish for a modern aesthetic
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Medium movement class for stability over time
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Suitable for accurate machining and precision fitting
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Long service life with minimal maintenance
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Sustainable timber sourced from Northern Europe
Product Specifications
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Material: European Larch
- Length: 4m
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Width: 144mm
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Thickness: 19mm
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Face Coverage: 137mm
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Finish: Planed Timber
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Type: Softwood
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Origin: Northern Europe
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Durability Class: Class 3
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Movement Class: Medium
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Knots: Variable
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Colour: Golden-brown, weathering to silver-grey over time
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Modified Timber: No
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Fixings: Stainless Steel recommended
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Treatment: Untreated (OSMO stain recommended)
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Available Lengths: 0.9m, 1.2m, 1.8m, 2.4m, 3.0m, 3.6m, 3.9m and 4.2m
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Recommended Wastage: 5–10%
Frequently Asked Questions (FAQs)
1. What are tongue and groove cladding boards typically used for?
Tongue and groove boards are commonly used for external cladding on garden rooms, sheds, summerhouses, garages, façades and outbuildings, providing both weather protection and a decorative finish.
2. Is European Larch suitable for outdoor use?
Yes, European Larch is naturally durable and highly suitable for external environments due to its natural resistance to decay.
3. Do I need to treat European Larch cladding?
Treatment is not essential, but we recommend using OSMO stain to help maintain colour and provide additional protection against weathering.
4. How long does European Larch cladding last?
With correct installation and maintenance, European Larch cladding can last 50+ years.
5. What fixings should I use for this cladding?
We strongly recommend using stainless steel nails or screws to prevent staining and ensure long-term durability.
6. Can European Larch T&G cladding be used internally?
While it can be used indoors, this cladding is specifically designed and recommended for external applications.
7. Do you offer bespoke lengths?
Yes, bespoke lengths are available. Please contact the sales team.
8. How much wastage should I allow for my project?
We recommend allowing 5–10% extra material to account for cutting, trimming and natural timber defects.
9. How does the colour of European Larch change over time?
European Larch starts with rich golden-brown tones and naturally weathers to an attractive silver-grey patina when left untreated.
10. How do I install European Larch T&G cladding?
Installation is straightforward, and step-by-step guides are available in our Cladding Install Guides, helping you achieve a professional finish.
Difference Between European Larch and British Larch Cladding
European Larch and British Larch cladding are both excellent choices for exterior timber projects, but there are a few key differences that may influence your decision.
European Larch is typically slow-grown in colder Northern European climates. This creates a tighter grain structure, making the timber denser, more stable, and more durable. It tends to have a more consistent appearance, smoother texture, and superior long-term performance in external environments.
British Larch, while still a strong and attractive timber, generally grows faster due to the UK’s milder climate. This can result in a wider grain pattern, slightly higher knot frequency, and increased movement over time. British Larch is often more variable in colour and character, which some customers prefer for a more rustic look.
Key Differences at a Glance
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Durability: European Larch is typically more durable than British Larch
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Grain: European Larch has a tighter, denser grain structure
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Stability: European Larch offers better stability with reduced movement
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Appearance: British Larch often has a more rustic, character-rich appearance
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Best Use: European Larch is preferred for long-term, high-performance external cladding projects
Both types of larch offer excellent natural resistance to decay, but European Larch is generally the preferred option where longevity, consistency, and minimal maintenance are key priorities.
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