Description
Upgrade your exterior projects with our pressure-treated Scandinavian Redwood Shiplap Cladding, crafted from slow-grown, joinery-grade timber for superior stability and long-lasting performance.
Designed for sheds, garden rooms, workshops, cabins, and a wide range of exterior applications, this shiplap offers the perfect combination of style, durability, and weather resistance.
Each board is planed smooth, machined to a precise finish, and treated with Tanalith® Green Preservative, providing enhanced protection against rot, fungal decay, and insect attack. As part of the CladMark quality assurance scheme, every board meets strict industry standards, giving you confidence in both performance and consistency.
Key Features
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Joinery-Grade Scandinavian Redwood – strong, stable, and slow-grown for increased density.
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Pressure Treated with Tanalith® Green – long-lasting protection against rot and decay.
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15-Year Treat-Right Warranty – peace of mind for exterior projects.
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CladMark Certified – assurance of quality and consistent machining.
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Stylish Shiplap Profile – provides a neat, traditional appearance with excellent weatherproofing.
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Smooth Planed Finish – ideal for modern garden buildings and timber structures.
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Free Samples Available – limited to two per customer.
Specifications
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Width (Finished): 145mm
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Thickness (Finished): 14mm
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Face Coverage: 134mm
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Overlap: 11mm
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Lengths:
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15cm Sample
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0.9m, 1.2m, 1.5m, 1.8m
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2.4m, 3.0m, 3.6m, 4.2m, 4.8m
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Weight: Approx. 0.9kg per board
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Timber Type: Slow-Grown Joinery Grade Redwood
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Surface Finish: Planed Smooth
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Treatment: Tanalith® Green Pressure Treated
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Warranty: 15-Year Treat-Right Warranty
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Recommended Fixings: Stainless Steel
Ideal Applications
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Garden sheds and workshops
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Summerhouses and garden rooms
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Exterior walls and cladding panels
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Timber cabins and outdoor structures
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Feature walls in sheltered outdoor spaces
Why Choose Treated Redwood Shiplap?
Redwood is known for its excellent stability, attractive grain, and durability. Combined with professional pressure treatment, this shiplap ensures great long-term performance even in the UK climate. The overlapping profile forms a tight, secure joint that efficiently sheds rainwater, helping to protect the structure underneath.
With its smooth finish and reliable treatment, this cladding offers both a premium appearance and practical weather protection, making it an excellent choice for all outdoor buildings.
Delivery & Samples
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Free sample boards available (limit 2)
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Delivery typically 3–7 working days
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Delivery charges shown at checkout
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Bespoke cutting available on request
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Request Samples
To request samples, please visit this page and fill out your details.
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