Solid Oak TGV Cladding

Solid Oak Tongue & Groove Cladding (TGV Boarding)

Premium Oak Cladding for Exterior and Interior Use

Bring warmth, character, and durability to your project with our Solid Oak Tongue and Groove (TGV) Boards, precision-machined from premium European oak. Designed primarily for external cladding, these versatile boards are equally suitable for interior wall panelling, ceilings, or decorative joinery where strength and natural beauty are essential.

Each board is tongued and grooved along both edges for a seamless fit, creating a continuous timber surface that enhances the appearance and protection of any building. Oak’s natural resilience makes it ideal for all environments — from traditional cottages and barn conversions to contemporary architectural designs.

Key Features

• 100% Solid European Oak – strong, stable, and built for long-term performance

• Precision Tongue & Groove Profile – allows easy installation and a tight, secure joint

• Suitable for External and Internal Use – weather-resistant and visually striking

• Natural Weather Resistance – oak’s high tannin content protects against moisture and decay

• Smooth Planed Finish – ready for oiling, staining, or clear finishing

• Sustainably Sourced Timber – responsibly harvested from managed European forests

• Available in Multiple Sizes and Lengths – custom machining available on request

Product Specifications

• Material: Solid European Oak or American Red Oak (Internal)

• Profile: Tongue & Groove (TGV)

• Thickness: 20mm

• Widths: 125mm, 145mm

• Lengths: Supplied in varying lengths, set lengths available on request

• Finish: Smooth planed, ready for treatment or finishing

• Applications: External cladding, soffits, facades, interior panelling, ceilings

• Packaging: Supplied in strapped bundles with protective wrapping

Built for Strength and Weather Resistance

Oak is one of nature’s most durable hardwoods, offering inherent resistance to rot, moisture, and insect damage. These solid oak T&G boards are engineered to perform in challenging outdoor conditions, ensuring your cladding remains stable and attractive for years to come.

The interlocking tongue and groove profile provides a secure connection that prevents water ingress and minimises movement, while still allowing the boards to breathe. Whether used horizontally or vertically, the result is a tight, weather-resistant façade that ages beautifully over time.

Flooring Applications Made Easy

Although primarily designed for cladding and wall panelling, solid oak tongue and groove boards can also be used for flooring in certain applications. When properly acclimatised and fixed to a stable subfloor, they create a durable, seamless oak surface with classic character and warmth underfoot. The interlocking T&G joint provides a secure fit, helping to reduce movement and gaps while maintaining a smooth, continuous appearance across the floor.

Timeless Appearance, Inside or Out

Each board showcases the distinctive grain patterns and golden-brown tones characteristic of European oak. When installed externally, the timber will gradually develop a stunning silver-grey patina as it weathers naturally. For those preferring to maintain the original colour, a high-quality UV-resistant oil can be applied.

For interior use, oak tongue and groove panelling brings natural warmth and texture to walls or ceilings, enhancing both traditional and modern spaces. The boards can be finished with clear lacquer, stain, or paint to achieve your desired style.

Easy Installation and Finishing

Our oak T&G cladding boards are precision-machined to ensure consistent sizing and a tight fit. Installation is straightforward for professionals and experienced DIYers alike. Boards can be secret-nailed, screwed, or clipped, depending on the chosen design and exposure level.

For external use, it’s recommended to treat all faces with a breathable exterior oil or sealer prior to installation, helping to balance moisture content and extend service life.

Sustainable and Environmentally Responsible

At Hardwoods Group, sustainability is central to everything we do. Our European oak is sourced only from responsibly managed forests, supporting renewable timber production and long-term woodland conservation.

Choosing real oak not only adds value and authenticity to your property but also represents a responsible, eco-friendly material choice compared to synthetic alternatives.

The Perfect Oak Cladding Solution

Whether you’re designing an elegant external façade or adding natural texture to an interior feature wall, our Solid Oak Tongue and Groove Boards deliver exceptional strength, durability, and timeless appeal.

Their tight-fitting profile, weather resistance, and stunning grain make them the ideal choice for architects, builders, and homeowners who demand quality that lasts.

Choose European oak — sustainable, beautiful, and built to perform.

See our solid oak decking to complete the look, or visit Vestra Oak for an exciting range of structural oak framing products from Porches to Oak Trusses to full Garages and House - supplied in bespoke kit form.