Material	Redwood Thermowood
Width	95mm
Thickness	19mm
Face Coverage	75mm
Treatment	Untreated, Redwood Thermowood offers excellent durability and natural resistance to decay and insects, making it an ideal choice for external use. Its enhanced thermal modification process improves its stability and resistance to weathering, ensuring reliable performance in exposed outdoor environments. To maintain its natural appearance and extend its lifespan, we recommend applying a suitable wood oil or stain, such as OSMO. This helps to preserve its rich, warm tones while providing additional protection against cracking and the effects of UV exposure. Staining enhances the timber's durability, ensuring it retains its structural integrity and aesthetic appeal over time, making Redwood Thermowood a reliable and long-lasting option for outdoor projects.
Finish	Planed Timber
Length	Available in 0.9m, 1.2m, 1.8m, 2.4m, 3.0m, 3.6m, 3.9m and 4.2m
Buying Guide	Unsure which cladding to go for? Take a read of our full Cladding Buying Guide
Type	Softwood
Origin	Finland
Durability	Class 2
Movement Class	Small
Knots	Variable
Colour	Deep, rich brown tones that weather to an elegant silver-grey
Modified Timber	Yes, thermally modified
Fixings	Stainless Steel
Recommended Wastage	15-20% due to Brittleness
Key Points	Heat treatment significantly increases durability and stability. Low moisture absorption, reducing the risk of warping or shrinking. Highly stable under varying weather conditions. Enhanced lifespan due to improved resistance to decay.
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Redwood Thermowood Tongue and Groove (T&G) cladding combines exceptional durability with enhanced stability, making it an ideal choice for exterior applications such as garden buildings, sheds, and home facades. The thermal modification process improves the timber’s resistance to decay, insects, and weathering, ensuring reliable performance in outdoor environments.

The T&G profile ensures a precise, interlocking fit, offering excellent weather resistance and a smooth, seamless finish that complements both traditional and modern designs. Redwood Thermowood features a warm, natural tone and a refined grain pattern, adding character and charm to any structure. Its thermal treatment minimizes the risk of warping or shrinking, providing a long-lasting, attractive exterior.

For added protection and to maintain its natural appearance, applying a protective stain or oil, such as OSMO, is recommended. Sustainably sourced and easy to install, Redwood Thermowood T&G cladding is a durable, eco-friendly choice for builders and homeowners seeking a high-performance, visually appealing solution.

 

Key Facts

• T&G Profile
• Natural Hardwood Durability
  
• Rich Golden-Brown Grain & Colour
  
• Exceptional Stability

Other Options 

• Redwood Thermowood - Thermowood undergoes a heat treatment process that enhances its durability and stability, making it highly resistant to moisture and rot while being eco-friendly and sustainable

• Redwood Thermowood Loglap - Profiled Version of the cladding
• Redwood Thermowood Shadow Gap - Profiled Version of the cladding
• Redwood Thermowood 6" x 1" Board - Profiled Version of the cladding
• European Larch T&G - Profiled Version of the cladding