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Legendary World No. 1 tennis player PAT RAFTER chooses SDS Australia because quality matters.

Intense Thermo-modified European Red Oak Cladding – C57

From $124.45 per piece $212.74 per square metre

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Legendary World No. 1 tennis player PAT RAFTER chooses SDS Australia because quality matters.

Deluxe European Timber | Sustainably Sourced

Our Premium European Red Oak Thermo-Intense cladding offers a durable and refined solution for sauna walls and architectural projects. With excellent dimensional stability, rot resistance, rich reddish-brown tones and distinctive grain patterns, it brings long-lasting performance and natural character to wellness spaces.

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Overview
Important Information
Key Features
Documents & Files

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Overview

Premium European Red Oak – Thermo-Intense is a high-quality thermally modified hardwood cladding designed for architectural projects where natural character meets long-term performance.

Red Oak (Quercus rubra) is known for its expressive grain pattern and subtle reddish undertones. Through intensive thermal modification, the timber gains improved dimensional stability, durability and resistance to changing environmental conditions.

The result is a premium cladding material with a rich reddish-brown tone, suitable for sauna walls, exterior façades and design-focused architectural interiors.

Thermo-intense modification helps reduce the timber’s tendency to warp or cup over time, making Red Oak a reliable choice for demanding residential and commercial cladding applications.

Intense Thermo-modified European Red Oak Cladding – C57
Width & Thickness	150mm x 20mm
Length	3900mm, 4200mm
Material	Red Oak
Profile	C57
Modification Type	Thermo-modified

Important Information

Wood is a natural material, and its changing appearance is part of its beauty. When used outdoors, the rich reddish-brown tones of thermally modified Red Oak will gradually weather into an elegant silver-grey patina over time. This is a natural response to UV exposure and moisture and is expected in exterior applications.

The original colour can be maintained by applying a UV-protective oil periodically, depending on the level of weather exposure.

Here is what you can expect as your timber ages:

Purely Cosmetic:
The colour change affects only the appearance of the timber and does not impact its structural integrity, durability, or decay resistance.

Natural Character:
Areas exposed to different levels of sunlight and rain may weather at different rates, creating a unique and naturally varied appearance.

The Choice is Yours:
If you appreciate the low-maintenance silver-grey patina, you can allow the timber to weather naturally. If you prefer to preserve the original reddish-brown tone, periodic treatment with a UV-protective oil will help maintain its appearance.

For maximum colour retention and long-term UV protection, we recommend Osmo UV-Protection Oil.

Key Features

Thermo Modification: Intensive thermal modification enhances the natural properties of Red Oak, significantly improving durability and resistance to moisture and environmental changes, making it ideal for sauna cladding.
Aesthetic Quality: Distinctive reddish-brown tone with expressive grain patterns and subtle natural variations, creating a refined and timeless hardwood appearance.
Versatile Applications: Suitable for sauna walls, interior and exterior architectural cladding, and premium residential or commercial design projects.
Enhanced Stability: Thermal modification improves dimensional stability, reducing the risk of warping, cupping or movement under changing weather conditions.
High Durability: Durability class 1 performance ensures long-term resistance to decay, making it a reliable choice for demanding applications.
Low Maintenance: Can be left untreated or finished with oil depending on the desired aesthetic, offering flexibility and easy long-term care.
Premium Hardwood: Manufactured from selected Red Oak (Quercus rubra), valued for its strength, density and distinctive natural grain.

Documents & Files

Wall Panel Installation & Maintenance Guide

🔥 Super Special

Same-Day Pick-Up in Sydney or Nowra, or Fast Shipping Australia-Wide!

The following popular Alder profiles are in stock now for same-day pick-up from our Milsons Point showroom in Sydney or Nowra warehouse (while stock lasts):

🪵 Did you know?

Alder is one of the most popular sauna timbers in Europe – especially in Finland and the Baltics – thanks to its smooth finish, low resin content, and stable performance in heat. If you’re after a true European sauna experience, Alder is the way to go. See our full Alder range here.

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