These 4mEuropean Larch Wood Cladding 144mm x 19mm Shiplap Boards offer a strong, weather-resistant and visually striking solution for exterior timber projects. Manufactured from slow-grown Northern European Larch, this naturally durable softwood delivers excellent resistance to decay, making it ideal for outdoor use without chemical treatment.
The 144mm x 19mm shiplap profile creates a secure overlapping joint that provides enhanced weather protection while producing a refined shadow line that adds depth and character to faades, garden buildings and feature walls. With 135mm face coverage, these boards deliver efficient installation and a clean, professional finish.
Supplied untreated, European Larch naturally evolves from warm golden-brown tones to an elegant silver-grey patina over time. To maintain the original colour and improve resistance to UV exposure, moisture, cracking and timber movement, we recommend applying a high-quality OSMO stain.
These boards are precision-machined and planed smooth for easy handling and installation, making them suitable for both traditional and contemporary designs.
Product Specifications
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Material: European Larch
- Board Length: 4m
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Minimum Order: 100 linear metres (orders below this quantity will be cancelled due to machining requirements)
Smaller quantities available in British Cedar, British Larch or Treated Redwood
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Width: 144mm
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Thickness: 19mm
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Face Coverage: 135mm
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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 subtle silver-grey
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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: 510%
Key Features & Benefits
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Weather-resistant shiplap profile for improved water run-off
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Naturally durable and decay-resistant European Larch
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Overlapping joint design for added weather protection
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Strong, dense timber for reliable structural performance
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Attractive natural grain and colour variation
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Smooth planed finish for easy installation
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Suitable for sheds, summerhouses, garden rooms and faades
Alternative Cladding Options
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British Larch Cladding UK-sourced, environmentally friendly timber
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European Larch T&G Tongue and groove profile
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European Larch Shadow Gap Contemporary profiled cladding
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European Larch 6 x 1 Boards Square edge board option
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European Larch Loglap Decorative profiled cladding
Frequently Asked Questions (FAQs)
1. What are shiplap boards typically used for?
Shiplap boards are ideal for external cladding on summerhouses, sheds, outbuildings and garden buildings, offering excellent weather resistance.
2. Is European Larch shiplap suitable for outdoor use?
Yes, European Larch is naturally durable and highly resistant to decay, making it perfect for exterior environments.
3. Do I need to treat European Larch shiplap cladding?
Treatment is not essential, but applying OSMO stain is highly recommended to preserve colour and extend lifespan.
4. How long does European Larch cladding last?
With proper installation and maintenance, European Larch cladding can last 1015+ years, and often much longer with protective finishes.
5. Do you offer bespoke lengths?
Yes, bespoke lengths are available. Contact us for more info.
6. What fixings should I use?
Always use stainless steel nails or screws to prevent corrosion and staining.
7. Can this cladding be used internally?
It can be used indoors, but it is primarily designed and recommended for external applications.
8. How much wastage should I allow?
We recommend allowing 510% extra material to account for cuts and natural timber variations.
9. Is shiplap more weatherproof than square-edge cladding?
Yes, the overlapping shiplap profile improves water run-off and reduces moisture penetration.
10. How do I install European Larch shiplap cladding?
Detailed step-by-step Cladding Install Guides are available to help you achieve a professional finish.
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